u
su命令是最基本的命令之一，常用于不同用户间切换。例如，如果登录为 user1，要切换为user2，只要用如下命令：
$su user2
然后系统提示输入user2口令，输入正确的口令之后就可以切换到user2。完成之后就可以用exit命令返回到user1。
su命令的常见用法是变成根用户或超级用户。如果发出不带用户名的su命令 ，则系统提示输入根口令，输入之后则可切换为根用户。
如果登录为根用户，则可以用su命令成为系统上任何用户而不需要口令。
pwd
pwd命令也是最常用最基本的命令之一，用于显示用户当前所在的目录。
cd
cd命令不仅显示当前状态，还改变当前状态，它的用发跟dos下的cd命令基本一致。
cd ..可进入上一层目录
cd -可进入上一个进入的目录
cd ~可进入用户的home目录
ls
ls命令跟dos下的dir命令一样，用于显示当前目录的内容。
如果想取得详细的信息，可用ls -l命令， 这样就可以显示目录内容的详细信息。
如果目录下的文件太多，用一屏显示不了，可以用ls -l |more分屏显示 。
find
find命令用于查找文件。这个命令可以按文件名、建立或修改日期、所有者(通常是建立文件的用户)、文件长度或文件类型进行搜索。
find命令的基本结构如下：
$find
其中指定从哪个目录开始搜索。指定搜索条件。表示找到文件怎么处理。一般来说，要用-print动作，显示 整个文件路径和名称。如果没有这个动作，则find命令进行所要搜索而不显示结果，等于白费劲。
例如，要搜索系统上所有名称为ye的文件，可用如下命令：
$find / -name ye -print
这样就可以显示出系统上所有名称为ye的文件。
tar
tar最初用于建立磁带备份系统，目前广泛用于建立文件发布档案。可用如下方法建立tar档案：
$tar cvf
例如，如果要将当前目录中所有文件存档到ye.tar中，可用如下命令：
$tar cvf ye.tar *.*
要浏览档案内容，将c选项变成t。如果要浏览ye.tar档案中的内容，可用如下命令：
$tar tvf ye.tar
要取出档案内的内容，将c选项变成x。如果要将ye.tar档案中的内容取到当前目录中，可用如下命令：
$tar xvf ye.tar
gzip
gzip命令用于压缩文件。 例如，如果要将ye.txt文件压缩，可用如下命令：
$gzip ye.txt
这样就可以压缩文件并在文件名后面加上gz扩展名，变成文件ye.txt.gz。
解压缩文件可用gzip -d命令实现：
$gzip -d ye.txt.gz
这样就可以解压缩文件并删除gz扩展名。除此之外还可以用gunzip命令来解 压缩文件，效果跟用gzip -d命令一样。
旧版的tar命令不压缩档案，可用gzip压缩。例如：
$tar cvf ye.tar *.txt
$gzip ye.tar
则可建立压缩档案ye.tar.gz。
新版的tar可以直接访问和建立gzip压缩的tar档案，只要在tar命令中加上z 选项就可以了。例如：
$tar czvf ye.tar *.txt
生成压缩档案ye.tar.gz，
$tar tzvf ye.tar *.txt
显示压缩档案ye.tar.gz的内容，而
$tar xzvf ye.tar *.txt
取出压缩档案ye.tar.gz的内容。
mkdir
这个命令很简单，跟dos的md命令用法几乎一样，用于建立目录。
cp
cp命令用于复制文件或目录。
cp命令可以一次复制多个文件，例如：
$cp *.txt *.doc *.bak /home
将当前目录中扩展名为txt、doc和bak的文件全部复制到/home目录中。
如果要复制整个目录及其所有子目录，可以用cp -R命令。
rm
rm命令用于删除文件或目录。
rm命令会强制删除文件，如果想要在删除时提示确认，可用rm -i命令。
如果要删除目录，可用rm -r命令。rm -r命令在删除目录时，每删除一个文件或目录都会显示提示，如果目录太大，响应每个提示是不现实的。这时可以用 rm -rf命令来强制删除目录，这样即使用了-i标志也当无效处理。
mv
mv命令用于移动文件和更名文件。例如：
$mv ye.txt /home
将当前目录下的ye.txt文件移动到/home目录下，
$mv ye.txt ye1.txt
将ye.txt文件改名为ye1.txt。
类似于跟cp命令，mv命令也可以一次移动多个文件，在此不再赘叙。
reboot
重启命令，不必多说。
halt
关机命令，不必多说。
Friday, January 22, 2010
zz 修车十大宰
修车十大宰
zt 在国外，没有汽车的生活真是难以想象。而拥有汽车，就免不了要和修车铺打交道。慢慢地人们就会发现怎么车铺修车那么贵，而且车老修不好，或修好了一样毛病又
出现另一样本来没有的毛病。遇到这些情况，你多半是被车铺宰了。
本人也是去修车铺修车老被宰了才奋而学自己修车。虽然也就是DIY水平，不过挺管用
，后来自己换了几次新车，一次也不去给车铺保养。事实证明我是对的，不进过车铺的
新车直到数年后换车时都没有过什么毛病。以后常有朋友被宰得满颈鲜血地跑来我这里
诉苦求助。所见所闻，时间长了，还真摸出些车铺宰人的道道来。发表在此，有用的学
去，无用的跳过，爱扔两砖也欢迎。
以次充好宰
很多时候修车铺都叫顾客每年至少做一次大保养（major service），大保养需要换好
多损耗件，譬如空气滤器，汽油滤器，火花塞，各种油，液等。实际上换下来的零配件
大都还是很好的。可以用好几年呢，根本就不需要换，但是车铺就是给换了。此时猫腻
就出来了，换下来的好零件怎么处理呢？那就是把我的换给你，把你的换给他。钱却是
按照新的零件价格收哦。还有换机油，明明是一般的大桶油，却拿个名牌合成油的空桶
来给你看，收费当然也按此收，你还能拿去化验不成。汽车零件可以分为原厂零件，名
牌通用零件，杂牌零件，旧的二手原厂零件等几种。其中二手零件和杂牌零件价钱最便
宜。不过车铺在这上头赚的利润最大。二手的说成是原厂的最为常见。因为原厂的价格
最贵。如果要验零件，二手的装进去再拿出来也不易看得出来。有些易损零件是有寿命
的，换给你就是能用也很快又要再换了。
无中生有宰
没换也说换了，没修也说修了，这种宰法最多见。多见于成对零件的更换。一边轴承坏
了，修车铺的人就对你说，这边坏了那边也差不多坏了，不如同时换掉。实际上他只给
你换一边，过了几个月另外一边轴承又响了，去另一家车铺检查，这家车铺又告知你要
换就两侧一起换。这时你应当知道上次多半是只换了一侧。常见能无中生有的零件是外
面看不见的零件，譬如轴承，水泵，定时皮带，定时皮带张紧轮，各种传感器等。自动
档的保养也是如此，如果自动档原来没有毛病，拿去保养车铺根本就什么都不用做。最
多把表面尘土抹干净完事。如果遇到更夸张的是告诉你机器换自动档液，说是用机器循
环换，完全把脏液换出来，需要11桶自动档液来冲洗更换。要知道自动档液并不便宜。
其实真要换，放出来加进去两次两桶液足够。也不需要换得那么彻底干净。他换了多少
桶，换还是没有换根本看不出来。更多时候是没换的说换了，没有做的保养维修也说做
了。
小病大医宰
这跟医院宰人有异曲同工之妙。车子和人一样少不了三天两头有个头疼脑热，如果去医
治遇人不淑，就有可能被狠狠地宰上一刀。尤其是与贵重部件有关的毛病。一句话，还
是欺你不懂车。常见的是自动档的毛病和引擎的毛病，如换档不顺，打滑，漏液，引擎
的温度过高，熄火，抖动，冒烟等。这些可以是很小的毛病甚至不是什么毛病，只需简
单的维护保养就可以搞掂的毛病偏偏被夸大，告诉你要大修或中修，至少数百甚至数千
元以上。如果你老老实实地就此把车留下来让该车铺修，那他也就得逞了。现在的人，
尤其是华人在这方面都比较精明了，大的毛病都会跑去好几家车铺去分别让人诊断。搞
得现在车铺要收诊断费。十年前修车是不要诊断费的，给你诊断告诉你价钱，修了才收
钱的。
黑心连环宰
这是最招人痛恨和伤害顾客最狠的一种宰法。常见是车子送去保养或维修个小毛病回来
，当天或几天后出现了原来没有的新毛病，譬如漏油，漏液体，启动不了，有异响等。
这多半是车铺的人在捣鬼了。譬如把液罐的螺丝给拧松，等液罐压力高时就出现漏液的
情况，或把启动马达的电源插头拔松一点，让你发动车有时行有时不行。或者干脆把你
的好的启动马达换掉，换一个坏的启动马达给你。使得你又要回去给车铺修，损害你的
利益去为他们自己创造赚钱机会。本人就亲身经历过这种情况。一次是换车轮轴承换一
侧收两侧的钱还不算，过两天开车发现前轮上方有异响，送车回去检查被告知是转向助
力泵坏了需要换，又要收1100元。当时我已经开始学修车，寻思原来都没有这个问题，
进车铺后才出现，不合常理。于是不甘心被宰，花150元自己去拆车铺去买了个助力泵
回来找另一车铺帮安装，该车铺把车顶起来检查发现助力泵皮带轮的三粒螺丝全松了，
皮带轮转动时发生摆动因而发出异响。把螺丝上紧后再发动车子，异响立刻消失。我也
就此破解了一例宰人案，省回1000大元。以后有朋友告知这类修车后出现的原来没有的
毛病，就知道是碰上黑心连环宰了。通常这类情况不难处理，因为不是真坏，漏液就把
液罐螺丝上紧就行，启动马达时响时不响，把电源插头插紧就行。当然还有像我的车那
样皮带轮螺丝松动拧紧就行。如果遇到这种连环出毛病的车铺，最好避得远远的。
无能无赖宰
让人卖了还帮人数钱，这是形容高手的贬义词。如果生活中真的遇到这样的高手也就认
了。偏偏你常遇到的都是些没有本事，比你差得远又要卖你的人，这时你真是气不打一
处来。修车遇到无赖就是最常见的例子。修车宰人也要点本事的，偏偏有些修车师父有
心要宰，却没有本事宰得让人心甘情愿或不露出马脚。最常见的莫过于车子修后在回家
的路上就抛锚，或本来好好的车，只不过是迷信定期送车去车铺做例行保养，车拿回来
却直冒黑烟或明显漏水漏油。遇到这些情况，车主无一例外地把车开回去或拖回去，好
一点的车铺加点钱再给你继续修。有些情况是车铺把你的车给弄坏了，他的水平根本不
能修复，车也不能开，这时修车铺耍赖钱也不会退给你。因为他花了时间。他会叫你去
另一家车铺再花钱继续修。你可以去告他，不过政府似乎收税收停车罚款挺尽职，叫来
帮您管理修车的真是件天大的难事，难到你不愿意麻烦政府。于是乖乖地受宰。当然也
有咽不下这口气晚上天黑人静时拿转头砸玻璃出气的车主也不是没有。曾看过一则电视
新闻，一家无赖修车铺给人砸玻璃130余次，直到保险公司不敢接保。修车铺自己也不
敢再开业为止。可见无赖的韧性有多大，又可见被伤害人的报复之心有多强。想想如果
自己有那韧性用来读书搞学问，诺贝尔奖都拿几回了。
当面发怒宰
有时你给车铺修车不放心，老是在你的车旁转来转去盯着。狠心的车铺当你的面也照宰
不误。车铺的人当你的面在车子还在发动着的时候猛拧启动钥匙，你可听见引擎发出刺
耳的怪叫声，他反复这么弄几次，然后来告诉你说启动马达齿轮坏了。这不是明欺负你
一点不懂吗。车还发动着去启动，齿轮还能不坏。车跑偏修完还跑偏，你不高兴了找回
去车铺的人就拿大锤砸车底，或用大铁棍猛撬车连杆处，看着连杆被撬弯，车底被砸凹
，车铺偏说是跑偏要这么修。结果车底砸得伤痕累累，跑偏也没有修好。还有换鼓刹时
当面把你的鼓刹液压泵的橡胶碗扯掉再放回去，第二天就漏液让你再回头找他。这种骑
在头上拉屎的事情不是没有，而且还蛮常见。也许是不耐烦的修车师父报价后车主老是
讨价还价或某方面触怒修车师父。讨价还价可是咱华人的习惯不是。
背后破坏宰
你拿车去修，车铺的人大多是叫你把车留下来，修车的时候绝不让你在一旁观看，你走
之后不久就来电话说车这里坏，那里也要换，说的都是些你想不到的零件和部位，这时
你就要留意了。
修车铺搞破坏，听起来骇人听闻。实际上细想一想也有道理，不就是咱华人说的靠山吃
山，靠水吃水的翻版。现在的车越做越耐用，需要保养的部件也越来越少。而会自己修
车和开修车铺的人则是越来越多。做修车这一行赚钱也不容易了。老老实实修车本来也
能温饱，可是偏偏人生出来就不安份，贫穷要求温饱，温饱要求小康，小康要求富裕，
永无尽头。求快钱更是人的通病。（胆大的抢银行金铺，但小的买彩票就是例证）而修
车的赚快钱就是靠搞破坏。如果你也像我一样经常给朋友修车，你也会看到很多车子被
破坏的情况，也许你自己的车现在就有这样的问题也不一定。常见的破坏是车底或车内
部不太容易看见的部位。如割烂或戳烂CV BOOT, 让里面的润滑脂漏掉，戳烂球头关节
胶套把油脂掏空并放点砂进去，让你的转动部件很快磨损，水箱里放一把糠一样的物质
进去，不久就出现水箱堵塞，引擎发热。把皮带张紧轮调得过紧，让转动的轴承快速磨
损。把你的好零件掉包换上同型号已经有毛病的零件等等数都数不完。其实那些活动部
件外边的橡胶套比里面的活动关节还耐用，不戳烂它用十几年都不会烂的。我有一开公
司的朋友和我同时间买一部一样的车。他笑我自己保养车多麻烦。每年按时把车送去车
铺保养两次，两年后开始毛病不断，到第六年几乎所有的活动部件都更换过，引擎和自
动档也都大修过。而我的车只是每年自己换一次机油和滤器并换过两次轮胎，什么毛病
都没有。而大家跑的里程差不多。车铺黑到这种地步，不由得你不信。
旧车肥羊好宰
初到国外，许多人都没有达到家财万贯，不愁生活的那种超然水平。钱得一点一点地挣
，买车也多半是先买辆二手的回来，一来负担不重，二来生手开车，有个碰撞也损失不
大。不过生手多半对修车也是一窍不通，旧车需要更换的零件也多。这时就给宰人的修
车铺开辟了大好的机会。车坏送车铺，喊多少给多少，叫修什么修什么，什么宰人的招
数都可用上，最后连最无知的车主都觉得不对劲了这才觉悟过来是被宰了。最常见的是
过度服务。因为车主对车一窍不通，发现刹车响了拿去维修，本来几十元换个刹车片就
解决问题。车铺鲜有这么仁慈的做法，多半是把与刹车有关的保养维修全做一遍，如连
刹车碟一起换或至少要打磨刹车碟，接着还要做四轮定位，如果是鼓刹还要换两个液压
泵。几十元的工作硬是可以创造出几百元的工作机会来，创造价值差别5 到10倍。可那
些钱都是你辛辛苦苦挣来的啊。更有买了二手高档车又不懂车的车主，这种车通常被宰
得最狠，尤其是需要换零件的时候，零件有原厂的，名牌的，杂牌的还有二手旧零件。
价格相差很大，因为是高档车而车主又不懂修车铺的猫腻，明明换了个杂牌或二手零件
，收费按最高价格收，明明用的是普通机油，因为是高档车，就按高档油收费。结果二
手高档车的维修费是令人咋舌地贵。如果自己没有点修车知识最好不买二手高档车。有
钱就直接买新的。
新车保养也宰
别以为买了新车保修期越长越好。很多品牌的车子质量不错，但又要卖得很便宜与人竞
争，造车的利润真的很少。他们赚钱的主要渠道之一就是保修期的保养费和零件费。因
为购车保修合同规定必须定期保养。其实多数质量好的新车头五年里根本就不需要什么
保养（除了换机油外大多数好车都是10万公里免维护），不像老车那样有许多部位需要
润滑。近年的新车都在设计时把润滑设计进去了，根本就没有孔洞打润滑油。损耗件也
都是10万公里左右才需要更换。如白金火花塞，长效防冻冷却液。那头三年10万公里以
内拿车去车铺保养有什么意义呢？我看是去送钱而已，而且冒着车子被破坏的风险去送
钱。毕竟每次保养收费都是数百上千元。这和修旧车被宰的数额相当了。有些车铺还要
求每年保养两次以上。养新车一点不比养旧车便宜。其实车铺除了换油和例行检查外什
么都不需要做。防宰最好的办法是自己学会换机油和检查各种液面，不要让别人去保养
你的新车。除非你的新车真的有毛病。如果一定要去也是保修的头两年去，最后一次如
果车没有毛病最好不去，搞破坏大多是保修期到期了发生的。我亲眼看到我朋友的车第
四年就要大修引擎，之前他每次都按期前去车铺保养的。
无可奈何宰
说了这么多黑宰，天底下到底还有没有好的修车铺。答案是有，要看情况而定。通常公
司车队，新车保修期，老顾客，车铺因为合同竞争需要和有责任在身并且也要保有一些
肥的回头客，他们还是会好好给做维修保养工作的。这样维修保养过的车子开起来感觉
真的不错，就是每次收费都比预期的费用要贵一点，多换了一点不是很必要换的配件。
私人修车能遇到这样的车铺也就算是很幸运了。至少你多付了钱，车子还能无故障开到
下次保养的时间。很多人也许都留意到头两次去声誉好的车铺修时也被宰，日后再去同
一家车铺似乎就宰得不那么厉害了。如果你幸运遇到这样的车铺，那以后你的车就算有
个依靠了。就像看病一样，只要能看好病，宰一点也是无可奈何的事。
如何不被宰
不可能。除非你自己会修车。在这之前你还是被宰。能不能被宰得少一点？这倒是可能
的。以下几点可以供车主们参考：
1．买新车的人如果胆子大，车买回来觉得开起来很顺畅满意，就不要送去车铺保养，
记住，是一次都不要去。但是要每年自己给车换一次高档的合成机油。平时隔三差五的
检查一下各种油液平面和留意开车时有否异常状况。如此这般。新车可保五年内没有或
少有毛病。能让你省几千块钱又完全杜绝车被破坏的可能。现在车厂生产的新车，尤其
是有点口碑的车都设计成10万公里免保养。为什么不相信厂家而白白送钱给黑心的修车
铺。
2．如果买新车的人胆子小。合同毕竟规定保修期内定期去保养。那就按时贡献钱去保
养，保修期最后一年或最后一次保养最好不要去做。另外也要自己学些保养工作。这样
可以把车被破坏的可能性降到最低。
3．如果自己没有本事自己做保养或嫌修车肮脏，而自己钱又多的人，那就继续贡献钱
给修车铺，尽量找一家多收了钱但能保你的车可以平安跑到下次保养期的修车铺，继续
过你无可奈何的日子。等你的车开始毛病多时就卖掉换新车。
4．如果买的是旧车，问题要复杂得多。小宰是没有办法避免的。大宰则要货比三家。
还可以把症状公布上网让论坛的人提供意见。车没有毛病千万不要拿去做什么保养。最
好自己学点车保养的常识。等到哪里坏再修那里。一些大的看不见的零件，最好自己买
好配件找人帮换，看着他换好为止。当然自己没有本事做到这几点的，可以多花点钱找
家多收钱也做事的修车铺。过无可奈何的日子。
zz 国内美女官员访德 放下奢华包后现眼
唉，总是出这些事情。
##########################################
海内外有华人常对西方媒体对中国的报导太负面感到不满，不过大陆媒体披露，中国一些代表团官员在国外用餐时“吃不完，一大堆”浪费食物的现象，确实加深了外国人对中国人的负面印象。
北京环球时报记者不久前从德国华文报纸“欧洲新报”主编范轩处了解到一件事。一个月前，他在法兰克福“巴拉登斯”四星级酒店用早餐，上午9时许，一个参加法兰克福国际食品展的中国南方某市代表团走进早餐厅，立即打破了静寂。
其中一个外形极为引人注目的“美女”放下奢华名包，去餐台取食。顷刻，丰富的食品就在她面前堆积起来。她先喝了半杯牛奶，再喝了几口果汁，然后转向了主食：法国羊角面包撕下一小块，扔在桌子上；德国全麦面包咬了一小口，放回盘子中；美式圆面包用艳红的美指甲掐了一小块，就直接淘汰掉……很快，“美女”停顿下来，从小包里掏出镜子修补妆容，然后起身意欲离去。范轩处上前向她要名片，上写着某粮油集团国际业务部高级经理。
范轩处随后问她：“我想问一下，您既然在食品行业任职，不觉得剩余这么多食品很浪费吗？”“美女”察觉到他并不“友善”的用意，脸上立刻换了一副表情，一把夺回了名片。“我是这里的客人，既然付了房费，我想怎么吃就怎么吃！”然后扬长而去。
餐厅的女服务员闻声赶来，摇着头一脸无奈：“我真不明白，你们中国人为什么要这样浪费？既然吃不了，为什么不能少拿一点呢？这样的现象在中国客人中特别常见，这真的很不好！” 范轩处的经验也引起不少华人的共鸣。事实上，随着中国客人的快速增加，德国和欧洲国家为了吸引中国客人，都进行特别准备。不过，经常可以听到一些接待方的抱怨，认为大陆一些代表团浪费严重，自助餐拿六七次，每次只尝一口；用水、用电不随时关等。
为了不影响中国客人的情绪，接待方大多忍气吞声。前不久欧洲酒店业举行了一次全球游客评选，日本游客以礼貌、纪律、节俭、整洁获得第一名，中国游客则以混乱、喧哗、浪费、破坏的恶名位居倒数第三。
traffic school的试题更新 2009.7
试题更新了，收藏一下
#################################
以前看到有人发以前的gototraffischool的题，今天刚刚做完。
感觉题目有些更新，现在把我做的题目都贴出来，还有每个chapter的之后的练习题，
大家肯定可以轻松过关。这个是打折的code: X22-5M8-C59，大家用这个可以省2刀。
价格可能都差不太多，gototrafficschool稍微便宜些。因为考试不限时，所以大家可
以在线找答案，我也把在线教程download下来了，因为比较大上传不了，大家如果想看
，请把你的邮箱给我，我把教程发给你。
谢谢，祝大家顺利消点!
Status: Pass (Certificate In Process)
Congratulations!
You passed the final exam!
You got 25 questions correct.
Review the Correct Answers
1. _______ paint on a curb means no stopping, standing, parking, loading,
or unloading.
A. White
B. Yellow
C. Green
D. Red
2. When the road gets rough with potholes, bumps, mud clumps, and loose
sand or gravel, you should __________ to
retain control of your vehicle.
A. slow down
B. pull over
C. shift to a lower gear
D. ride your brakes
3. When someone tries to pass you, both the law and safety require you to:
A. pull over
B. maintain your speed and lane position
C. allow him or her to pass
D. accelerate
4. On a three-lane highway that designates one lane of traffic for each
direction, the middle lane is used for:
A. emergency vehicles
B. regular through traffic
C. parking
D. vehicles making left turns or passing
5. If your vehicle begins to overheat while climbing a hill, you should:
A. turn on the air conditioning
B. shift to a lower gear
C. turn on the heater
D. accelerate
6. At intersections without marked crosswalks, who has the right-of-way?
A. the vehicle on the right
B. the vehicle that arrives first
C. bicyclists
D. pedestrians
7. If you have a green light, it is __________ to enter an intersection if
your way through it is blocked.
A. your right
B. safe
C. to your advantage
D. against the law
8. You may drive to the left of a yellow line when:
A. overtaking a vehicle that is parked or going slower than your vehicle
B. turning left at an intersection or into a driveway or side road
C. the right side of the road is closed or obstructed
D. all of the above
9. Because children might be playing behind parked vehicles without a
driver's knowledge, you should make a
practice of:
A. honking your horn before driving
B. checking your mirrors carefully
C. driving slowly through parking lots
D. walking behind and around your vehicle to check for them
10. Statistically, the everyday motor vehicle is the number ___ cause of
death among people ages 15-30 in the
United States.
A. 1
B. 2
C. 3
D. 5
11. Which of the following is a permitted use of your horn?
A. you reasonably believe safety would be compromised without sounding the
horn
B. you need to inform another driver that the traffic light has changed
C. you see a friend driving by
D. another driver is impeding your path of travel
12. _________ occurs when a thin film of water builds up between the tires
and pavement and makes steering and
braking practically impossible.
A. Velocitation
B. Highway hypnosis
C. Hydroplaning
D. Skidding
13. To prove your identity at the Department of Motor Vehicles, you may
take:
A. your tax returns
B. your birth certificate
C. a telephone bill
D. your social security card
14. Diamond lanes are reserved for vehicles with:
A. children
B. the elderly
C. two or more people
D. four or more people
15. All new residents of California must have a valid California driver
license within:
A. 5 working days
B. 1 week
C. 10 days
D. 30 days
16. Ice tends to form in shady areas, as well as:
A. on freeways
B. on the shoulder of the road
C. on railroad crossings
D. on bridges and overpasses
17. The Administrative Per Se Law means:
A. the DMV has the power to suspend or revoke your license based on the
results of alcohol or drug tests taken or
your refusal to take such tests.
B. the DMV has the power to confiscate your vehicle based on the results
of alcohol or drug tests taken or your
refusal to take such tests
C. you have the right to speak to an attorney before submitting to an
alcohol or drug test
D. you can be arrested and put in jail based on the results of alcohol or
drug tests taken or your refusal to
take such tests.
18. In which of the following situations should you refrain from passing
another vehicle?
A. the driver is slowing down and/or indicating a right turn
B. the driver is looking at street signs
C. the driver is traveling at or close to the speed limit
D. all of the above
19. Which of the following is an unsafe area to drive?
A. in another vehicle's blind spot
B. side-by-side another vehicle
C. in clusters of vehicles
D. all of the above
20. _________ indicate the center of a two-way road used for two-way
traffic.
A. White lines
B. Medians
C. Orange cones
D. Yellow lines
21. ____________ are the most frequent victims of collisions between
vehicles and pedestrians.
A. The handicapped
B. Women
C. Children
D. The elderly
22. A Class ____ license allows you to ride any motor bike.
A. C
B. MC
C. M1
D. 2
23. You are NOT allowed to make U-turns:
A. on two-way streets
B. from left turn lanes
C. in front of fire stations
D. unless a sign permits it
24. ______________ is an extra lane that permits a vehicle to reach freeway
speeds.
A. An acceleration lane
B. A shoulder
C. A carpool lane
D. A passing lane
25. Implied consent means that drivers agree in advance to take a blood
alcohol concentration test:
A. only if ordered by a judge
B. only on the advice of an attorney
C. if an accident has occurred
D. whenever they drive in California
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这里是我在online school试题补充
1. Because children might be playing behind parked vehicles without a
driver's knowledge, you should make a practice of:
A. honking your horn before driving
B. checking your mirrors carefully
C. driving slowly through parking lots
D. walking behind and around your vehicle to check for them
2. Implied consent means that drivers agree in advance to take a blood
alcohol concentration test:
A. only if ordered by a judge
B. only on the advice of an attorney
C. if an accident has occurred
D. whenever they drive in California
3. Who are the most frequent victims of collisions between vehicles
and pedestrians?
A. The elderly
B. Women
C. Teenagers
D. The handicapped
4. To avoid highway hypnosis, you should:
A. get plenty of sleep before driving long distances
B. open the window to allow fresh air into the vehicle
C. take frequent breaks
D. all of the above
5. When backing up, keep your foot __________ while you shift your
vehicle into reverse gear.
A. on the brake
B. on the accelerator
C. on the floorboard
D. none of the above
6. To prove your identity at the Department of Motor Vehicles, you may take:
A. your tax returns
B. your birth certificate
C. a telephone bill
D. your high school diploma
7. _______ paint on a curb means no stopping, standing, parking,
loading, or unloading.
A. White
B. blue
C. Green
D. Red
8. When the road gets rough with potholes, bumps, mud clumps, and
loose sand or gravel, you should __________ to retain control of your
vehicle.
A. slow down
B. pull over
C. shift to a lower gear
D. ride your brakes
9. When driving in fog, you should:
A. use your low-beam headlights
B. use your high-beam headlights
C. use your parking lights
D. accelerate
10. When you see animals on the road, you should:
A. honk your horn
B. flash your headlights
C. slow down and be prepared to stop
D. accelerate
11. In which of the following situations should you refrain from
passing another vehicle?
A. the driver is slowing down and/or indicating a right turn
B. the driver is looking at street signs
C. the driver is traveling at or close to the speed limit
D. all of the above
12. On a three-lane highway that designates one lane of traffic for
each direction, the middle lane is used for:
A. emergency vehicles
B. regular through traffic
C. parking
D. vehicles making left turns or passing
13. After completing your pass, you should return to your lane:
A. when you can see both headlights of the vehicle you just passed in
your rearview mirror
B. as soon as possible
C. when you are one car-length ahead of the vehicle you just passed
D. when you see oncoming vehicles approaching
14. You may drive to the left of a yellow line when:
A. overtaking a vehicle that is parked or going slower than your vehicle
B. turning left at an intersection or into a driveway or side road
C. the right side of the road is closed or obstructed
D. all of the above
15. Which of the following is an unsafe area to drive?
A. in another vehicle's blind spot
B. side-by-side another vehicle
C. in clusters of vehicles
D. all of the above
16. Two problems you may encounter while driving at high altitudes are
overheating and:
A. vapor lock
B. headlight failure
C. loss of power steering
D. stuck accelerator
17. A truck takes ________ to accelerate and brake than does a car.
A. less time
B. the same amount of time
C. more time
D. almost as much time
18. When a thin film of water builds up between the tires and
pavement, ___________ occurs, making steering and braking practically
impossible.
A. Velocitation
B. Highway hypnosis
C. Hydroplaning
D. Skidding
19. An extra lane that permits a vehicle to reach freeway speeds is called:
A. An acceleration lane
B. A shoulder
C. A carpool lane
D. A passing lane
20. At an uncontrolled four-way intersection, if two or more vehicles
arrive at the same time, __________ has the right-of-way.
A. neither driver
B. the driver to the left
C. the driver to the right
D. both drivers
21. Parking areas for the disabled are painted _________.
A. White
B. Yellow
C. Green
D. Blue
22. Which of the following is a permitted use of your horn?
A. you reasonably believe safety would be compromised without sounding the
horn
B. you need to inform another driver that the traffic light has changed
C. you see a friend driving by
D. another driver is impeding your path of travel
23. The Administrative Per Se Law means:
A. the DMV has the power to suspend or revoke your license based on
the results of alcohol or drug tests taken or your refusal to take
such tests.
B. the DMV has the power to confiscate your vehicle based on the
results of alcohol or drug tests taken or your refusal to take such
tests
C. you have the right to speak to an attorney before submitting to an
alcohol or drug test
D. you can be arrested and put in jail based on the results of alcohol
or drug tests taken or your refusal to take such tests.
24. Diamond lanes are reserved for vehicles with:
A. children
B. the elderly
C. two or more people
D. four or more people
25. The higher the speed, the __________ a driver has to react to any hazard.
A. more time
B. less time
C. more space
D. none of the above
26. At intersections without marked crosswalks, who has the right-of-way?
A. pedestrians
B. the vehicle that arrives first
C. bicyclists
D. the vehicle on the right
27. The DMV will refuse to issue or reissue a driver's license in the
event that any of the following applies to an applicant:
A. Has a history of alcohol or drug abuse
B. Has used the license illegally
C. Has lied on the application
D. All of the above
28. If one of your front tires blows out, the first thing you should do is:
A. hold the steering wheel firmly on a straight course
B. engage your emergency brake
C. turn on your emergency flashers
D. shift to a lower gear
29. You are NOT allowed to make U-turns:
A. on two-way streets
B. from left turn lanes
C. on one-way streets
D. unless a sign permits it
30. California law requires those under ___________ to wear a properly
fitted and fastened bicycle helmet while operating a bicycle or riding
on one as a passenger.
A. 3 years of age
B. 18 years of age
C. 21 years of age
D. 30 years of age
31. When someone tries to pass you, both the law and safety require you to:
A. pull over
B. stop
C. allow him or her to pass
D. accelerate
32. School buses with red lights flashing mean:
A. you should slow down
B. pass with caution
C. you may not pass
D. none of the above
33. Statistically, the everyday motor vehicle is the number ___ cause
of death among people ages 15-30 in the United States.
A. 1
B. 2
C. 3
D. 5
34. Which of the following is a way to avoid provoking angry drivers?
A. Don't tailgate
B. Use your horn for emergencies only
C. Avoid eye contact with an angry driver
D. All of the above
35. The Basic Speed Law:
A. establishes a 55 mph speed limit.
B. provides the minimum speed limits for vehicles.
C. allows drivers to drive at any speed they reasonably believe to be
safe under the circumstances.
D. requires that drivers reduce their speed if driving conditions make
it unsafe to follow posted speed limits.
36. The high accident rate of large trucks is caused in large part by ______
__.
A. fatigue
B. speeding
C. weather conditions
D. equipment malfunctions
37. Large trucks take _________ to stop than other vehicles traveling
at the same speed.
A. a longer time
B. a shorter time
C. the same amount of time
D. very little time
38. The center of a two-way road used for two-way traffic is marked with:
A. White lines
B. Medians
C. Orange cones
D. Yellow lines
39. _______ of all wrecks occur within 25 miles of home.
A. 10%
B. Half
C. 90%
D. 95%
40. Placing your foot over the brake so that you can brake in less
time is called ________ the brake.
A. monitoring
B. covering
C. pumping
D. tapping
41. The majority of pedestrian fatalities occur:
A. when cars drive onto the sidewalk
B. in cross-walks
C. when a pedestrian suddenly runs across the path of a vehicle
D. in parking lots
42. It is legal to carry an open (unsealed) container of alcohol in
your vehicle if:
A. it is in the back seat
B. it is in the glove compartment
C. it is in the trunk
D. all of the above
43. Do not reverse around a corner when your visibility is limited or
blocked:
A. unless you are being very careful
B. at night
C. unless you have someone else directing you
D. if pedestrians are present
44. Two-lane, undivided highways have a speed limit of ______.
A. 25 mph
B. 35 mph
C. 55 mph
D. 75 mph
45. If your vehicle stalls in the middle of the roadway, the first
thing you should do is:
A. turn on your headlights
B. move off the roadway as quickly as possible
C. immediately call for help
D. try to get someone to assist you
46. Headlights should be switched on by law no later than:
A. 6:00 p.m.
B. sunrise
C. 3:00 p.m.
D. 30 minutes after sunset
47. Revocation of a license occurs when a driver:
A. Violates the terms of his or her probation for a fourth time
B. Is convicted of reckless driving that injures another
C. Is convicted of a hit-and-run
D. All of the above
48. When an intersection is blocked, it is __________ to enter the
intersection even if you have a green light.
A. against the law
B. safe
C. to your advantage
D. your right
49. Liability insurance protects you against:
A. claims from an uninsured motorist
B. claims if you are not at fault in a collision
C. claims if you are at fault in a collision.
D. all of the above
50. When traveling near school zones where children are outside or
crossing the street, the speed limit is:
A. 10 mph
B. 25 mph
C. 35 mph
D. 40 mph
感觉题目有些更新，现在把我做的题目都贴出来，还有每个chapter的之后的练习题，
大家肯定可以轻松过关。这个是打折的code: X22-5M8-C59，大家用这个可以省2刀。
价格可能都差不太多，gototrafficschool稍微便宜些。因为考试不限时，所以大家可
以在线找答案，我也把在线教程download下来了，因为比较大上传不了，大家如果想看
，请把你的邮箱给我，我把教程发给你。
谢谢，祝大家顺利消点!
Status: Pass (Certificate In Process)
Congratulations!
You passed the final exam!
You got 25 questions correct.
Review the Correct Answers
1. _______ paint on a curb means no stopping, standing, parking, loading,
or unloading.
A. White
B. Yellow
C. Green
D. Red
2. When the road gets rough with potholes, bumps, mud clumps, and loose
sand or gravel, you should __________ to
retain control of your vehicle.
A. slow down
B. pull over
C. shift to a lower gear
D. ride your brakes
3. When someone tries to pass you, both the law and safety require you to:
A. pull over
B. maintain your speed and lane position
C. allow him or her to pass
D. accelerate
4. On a three-lane highway that designates one lane of traffic for each
direction, the middle lane is used for:
A. emergency vehicles
B. regular through traffic
C. parking
D. vehicles making left turns or passing
5. If your vehicle begins to overheat while climbing a hill, you should:
A. turn on the air conditioning
B. shift to a lower gear
C. turn on the heater
D. accelerate
6. At intersections without marked crosswalks, who has the right-of-way?
A. the vehicle on the right
B. the vehicle that arrives first
C. bicyclists
D. pedestrians
7. If you have a green light, it is __________ to enter an intersection if
your way through it is blocked.
A. your right
B. safe
C. to your advantage
D. against the law
8. You may drive to the left of a yellow line when:
A. overtaking a vehicle that is parked or going slower than your vehicle
B. turning left at an intersection or into a driveway or side road
C. the right side of the road is closed or obstructed
D. all of the above
9. Because children might be playing behind parked vehicles without a
driver's knowledge, you should make a
practice of:
A. honking your horn before driving
B. checking your mirrors carefully
C. driving slowly through parking lots
D. walking behind and around your vehicle to check for them
10. Statistically, the everyday motor vehicle is the number ___ cause of
death among people ages 15-30 in the
United States.
A. 1
B. 2
C. 3
D. 5
11. Which of the following is a permitted use of your horn?
A. you reasonably believe safety would be compromised without sounding the
horn
B. you need to inform another driver that the traffic light has changed
C. you see a friend driving by
D. another driver is impeding your path of travel
12. _________ occurs when a thin film of water builds up between the tires
and pavement and makes steering and
braking practically impossible.
A. Velocitation
B. Highway hypnosis
C. Hydroplaning
D. Skidding
13. To prove your identity at the Department of Motor Vehicles, you may
take:
A. your tax returns
B. your birth certificate
C. a telephone bill
D. your social security card
14. Diamond lanes are reserved for vehicles with:
A. children
B. the elderly
C. two or more people
D. four or more people
15. All new residents of California must have a valid California driver
license within:
A. 5 working days
B. 1 week
C. 10 days
D. 30 days
16. Ice tends to form in shady areas, as well as:
A. on freeways
B. on the shoulder of the road
C. on railroad crossings
D. on bridges and overpasses
17. The Administrative Per Se Law means:
A. the DMV has the power to suspend or revoke your license based on the
results of alcohol or drug tests taken or
your refusal to take such tests.
B. the DMV has the power to confiscate your vehicle based on the results
of alcohol or drug tests taken or your
refusal to take such tests
C. you have the right to speak to an attorney before submitting to an
alcohol or drug test
D. you can be arrested and put in jail based on the results of alcohol or
drug tests taken or your refusal to
take such tests.
18. In which of the following situations should you refrain from passing
another vehicle?
A. the driver is slowing down and/or indicating a right turn
B. the driver is looking at street signs
C. the driver is traveling at or close to the speed limit
D. all of the above
19. Which of the following is an unsafe area to drive?
A. in another vehicle's blind spot
B. side-by-side another vehicle
C. in clusters of vehicles
D. all of the above
20. _________ indicate the center of a two-way road used for two-way
traffic.
A. White lines
B. Medians
C. Orange cones
D. Yellow lines
21. ____________ are the most frequent victims of collisions between
vehicles and pedestrians.
A. The handicapped
B. Women
C. Children
D. The elderly
22. A Class ____ license allows you to ride any motor bike.
A. C
B. MC
C. M1
D. 2
23. You are NOT allowed to make U-turns:
A. on two-way streets
B. from left turn lanes
C. in front of fire stations
D. unless a sign permits it
24. ______________ is an extra lane that permits a vehicle to reach freeway
speeds.
A. An acceleration lane
B. A shoulder
C. A carpool lane
D. A passing lane
25. Implied consent means that drivers agree in advance to take a blood
alcohol concentration test:
A. only if ordered by a judge
B. only on the advice of an attorney
C. if an accident has occurred
D. whenever they drive in California
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这里是我在online school试题补充
1. Because children might be playing behind parked vehicles without a
driver's knowledge, you should make a practice of:
A. honking your horn before driving
B. checking your mirrors carefully
C. driving slowly through parking lots
D. walking behind and around your vehicle to check for them
2. Implied consent means that drivers agree in advance to take a blood
alcohol concentration test:
A. only if ordered by a judge
B. only on the advice of an attorney
C. if an accident has occurred
D. whenever they drive in California
3. Who are the most frequent victims of collisions between vehicles
and pedestrians?
A. The elderly
B. Women
C. Teenagers
D. The handicapped
4. To avoid highway hypnosis, you should:
A. get plenty of sleep before driving long distances
B. open the window to allow fresh air into the vehicle
C. take frequent breaks
D. all of the above
5. When backing up, keep your foot __________ while you shift your
vehicle into reverse gear.
A. on the brake
B. on the accelerator
C. on the floorboard
D. none of the above
6. To prove your identity at the Department of Motor Vehicles, you may take:
A. your tax returns
B. your birth certificate
C. a telephone bill
D. your high school diploma
7. _______ paint on a curb means no stopping, standing, parking,
loading, or unloading.
A. White
B. blue
C. Green
D. Red
8. When the road gets rough with potholes, bumps, mud clumps, and
loose sand or gravel, you should __________ to retain control of your
vehicle.
A. slow down
B. pull over
C. shift to a lower gear
D. ride your brakes
9. When driving in fog, you should:
A. use your low-beam headlights
B. use your high-beam headlights
C. use your parking lights
D. accelerate
10. When you see animals on the road, you should:
A. honk your horn
B. flash your headlights
C. slow down and be prepared to stop
D. accelerate
11. In which of the following situations should you refrain from
passing another vehicle?
A. the driver is slowing down and/or indicating a right turn
B. the driver is looking at street signs
C. the driver is traveling at or close to the speed limit
D. all of the above
12. On a three-lane highway that designates one lane of traffic for
each direction, the middle lane is used for:
A. emergency vehicles
B. regular through traffic
C. parking
D. vehicles making left turns or passing
13. After completing your pass, you should return to your lane:
A. when you can see both headlights of the vehicle you just passed in
your rearview mirror
B. as soon as possible
C. when you are one car-length ahead of the vehicle you just passed
D. when you see oncoming vehicles approaching
14. You may drive to the left of a yellow line when:
A. overtaking a vehicle that is parked or going slower than your vehicle
B. turning left at an intersection or into a driveway or side road
C. the right side of the road is closed or obstructed
D. all of the above
15. Which of the following is an unsafe area to drive?
A. in another vehicle's blind spot
B. side-by-side another vehicle
C. in clusters of vehicles
D. all of the above
16. Two problems you may encounter while driving at high altitudes are
overheating and:
A. vapor lock
B. headlight failure
C. loss of power steering
D. stuck accelerator
17. A truck takes ________ to accelerate and brake than does a car.
A. less time
B. the same amount of time
C. more time
D. almost as much time
18. When a thin film of water builds up between the tires and
pavement, ___________ occurs, making steering and braking practically
impossible.
A. Velocitation
B. Highway hypnosis
C. Hydroplaning
D. Skidding
19. An extra lane that permits a vehicle to reach freeway speeds is called:
A. An acceleration lane
B. A shoulder
C. A carpool lane
D. A passing lane
20. At an uncontrolled four-way intersection, if two or more vehicles
arrive at the same time, __________ has the right-of-way.
A. neither driver
B. the driver to the left
C. the driver to the right
D. both drivers
21. Parking areas for the disabled are painted _________.
A. White
B. Yellow
C. Green
D. Blue
22. Which of the following is a permitted use of your horn?
A. you reasonably believe safety would be compromised without sounding the
horn
B. you need to inform another driver that the traffic light has changed
C. you see a friend driving by
D. another driver is impeding your path of travel
23. The Administrative Per Se Law means:
A. the DMV has the power to suspend or revoke your license based on
the results of alcohol or drug tests taken or your refusal to take
such tests.
B. the DMV has the power to confiscate your vehicle based on the
results of alcohol or drug tests taken or your refusal to take such
tests
C. you have the right to speak to an attorney before submitting to an
alcohol or drug test
D. you can be arrested and put in jail based on the results of alcohol
or drug tests taken or your refusal to take such tests.
24. Diamond lanes are reserved for vehicles with:
A. children
B. the elderly
C. two or more people
D. four or more people
25. The higher the speed, the __________ a driver has to react to any hazard.
A. more time
B. less time
C. more space
D. none of the above
26. At intersections without marked crosswalks, who has the right-of-way?
A. pedestrians
B. the vehicle that arrives first
C. bicyclists
D. the vehicle on the right
27. The DMV will refuse to issue or reissue a driver's license in the
event that any of the following applies to an applicant:
A. Has a history of alcohol or drug abuse
B. Has used the license illegally
C. Has lied on the application
D. All of the above
28. If one of your front tires blows out, the first thing you should do is:
A. hold the steering wheel firmly on a straight course
B. engage your emergency brake
C. turn on your emergency flashers
D. shift to a lower gear
29. You are NOT allowed to make U-turns:
A. on two-way streets
B. from left turn lanes
C. on one-way streets
D. unless a sign permits it
30. California law requires those under ___________ to wear a properly
fitted and fastened bicycle helmet while operating a bicycle or riding
on one as a passenger.
A. 3 years of age
B. 18 years of age
C. 21 years of age
D. 30 years of age
31. When someone tries to pass you, both the law and safety require you to:
A. pull over
B. stop
C. allow him or her to pass
D. accelerate
32. School buses with red lights flashing mean:
A. you should slow down
B. pass with caution
C. you may not pass
D. none of the above
33. Statistically, the everyday motor vehicle is the number ___ cause
of death among people ages 15-30 in the United States.
A. 1
B. 2
C. 3
D. 5
34. Which of the following is a way to avoid provoking angry drivers?
A. Don't tailgate
B. Use your horn for emergencies only
C. Avoid eye contact with an angry driver
D. All of the above
35. The Basic Speed Law:
A. establishes a 55 mph speed limit.
B. provides the minimum speed limits for vehicles.
C. allows drivers to drive at any speed they reasonably believe to be
safe under the circumstances.
D. requires that drivers reduce their speed if driving conditions make
it unsafe to follow posted speed limits.
36. The high accident rate of large trucks is caused in large part by ______
__.
A. fatigue
B. speeding
C. weather conditions
D. equipment malfunctions
37. Large trucks take _________ to stop than other vehicles traveling
at the same speed.
A. a longer time
B. a shorter time
C. the same amount of time
D. very little time
38. The center of a two-way road used for two-way traffic is marked with:
A. White lines
B. Medians
C. Orange cones
D. Yellow lines
39. _______ of all wrecks occur within 25 miles of home.
A. 10%
B. Half
C. 90%
D. 95%
40. Placing your foot over the brake so that you can brake in less
time is called ________ the brake.
A. monitoring
B. covering
C. pumping
D. tapping
41. The majority of pedestrian fatalities occur:
A. when cars drive onto the sidewalk
B. in cross-walks
C. when a pedestrian suddenly runs across the path of a vehicle
D. in parking lots
42. It is legal to carry an open (unsealed) container of alcohol in
your vehicle if:
A. it is in the back seat
B. it is in the glove compartment
C. it is in the trunk
D. all of the above
43. Do not reverse around a corner when your visibility is limited or
blocked:
A. unless you are being very careful
B. at night
C. unless you have someone else directing you
D. if pedestrians are present
44. Two-lane, undivided highways have a speed limit of ______.
A. 25 mph
B. 35 mph
C. 55 mph
D. 75 mph
45. If your vehicle stalls in the middle of the roadway, the first
thing you should do is:
A. turn on your headlights
B. move off the roadway as quickly as possible
C. immediately call for help
D. try to get someone to assist you
46. Headlights should be switched on by law no later than:
A. 6:00 p.m.
B. sunrise
C. 3:00 p.m.
D. 30 minutes after sunset
47. Revocation of a license occurs when a driver:
A. Violates the terms of his or her probation for a fourth time
B. Is convicted of reckless driving that injures another
C. Is convicted of a hit-and-run
D. All of the above
48. When an intersection is blocked, it is __________ to enter the
intersection even if you have a green light.
A. against the law
B. safe
C. to your advantage
D. your right
49. Liability insurance protects you against:
A. claims from an uninsured motorist
B. claims if you are not at fault in a collision
C. claims if you are at fault in a collision.
D. all of the above
50. When traveling near school zones where children are outside or
crossing the street, the speed limit is:
A. 10 mph
B. 25 mph
C. 35 mph
D. 40 mph
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