（整理版高中英语）（课标全国）高考英语总复习课时作业12北师大

1、【优化指导】课标全国高考英语总复习 课时作业12 北师大版一、阅读理解ai live in hollywood.you may think people in such an attractive，fun­filled place are happier than others.if so，you have some mistaken ideas about the nature of happiness.many intelligent people still equate(使相等)happiness with fun.the truth is that fun and happ

2、iness have little or nothing in common.fun is what we experience during an act.happiness is what we experience after an act.it is a deeper，more long­lasting emotion.going to an amusement park or ball game，watching a movie or television，are fun activities that help us relax，temporarily forget ou

3、r problems and maybe even laugh.but they do not bring happiness，because their positive effects end when the fun ends.i have often thought that if hollywood stars have a role to play，it is to teach us that happiness has nothing to do with fun.these rich，beautiful individuals have constant access to e

4、xciting parties，fancy cars，expensive homes，and everything that spells“happinessbut in memoir(回忆录)after memoir，celebrities reveal the unhappiness hidden beneath all their fun：depression，alcoholism，drug addiction，broken marriages，troubled children，long­time loneliness.the way people hold on to th

5、e belief that a fun­filled，pain­free life equates happiness actually decreases their chances of ever attaining real happiness.if fun and pleasure are equated with happiness，then pain must be equated with unhappiness.but，in fact，the opposite is true：more often than not，things that lead to h

6、appiness involve some pain.as a result，many people avoid the very endeavors or efforts that are the source of true happiness.they fear the pain inevitably brought by such things as marriage，raising children，professional achievement，religious commitment，charitable work，and self­improvement.1acco

7、rding to the passage，“fun activitiesmentioned in the 2nd paragraph_.aare the things we do before we find happinessbmay help us relax and forget our problems sometimescwill lead us to the true happinessdcould provide long­lasting positive effects2in the authors opinion，those hollywood stars_.apo

8、ssess happiness because they are rich and famousbexperience almost all kinds of happy thingsctell us happiness isnt equal to fun using their own storiesdhave to suffer a lot before they become successful3it is difficult for people to find real happiness because_.athey believe happiness is the fun li

9、fe without painbthey find pain equals unhappinesscthey fear to lose what they already have in lifedthey are afraid all their efforts were in vain4the main purpose of the text is to_.adescribe the difference between happiness and funbshow the true meaning of happinesscencourage people to pursue fun a

10、ctivitiesdadvise people to find their real lifebwhy do human beings still risk their lives underground and doing one of the dirtiest and most dangerous jobs in the world? a small group of engineers and robotics experts envision(展望)a day in the not­too­distant future when robots and other t

11、echnology do most of the dangerous mining work.one of the first mining robots was developed five years ago at carnegie mellon universitys robotics institute.it was called groundhog and it looked like a golf cart.it used lasers(激光)to“seein dark tunnels and map abandoned minessome of the most dangerou

12、s work in the business.the latest prototype is called cave crawler.its a bit smaller than groundhog，and even more advanced.it can take photos and videos and has sensors that can detect the presence of dangerous gases.incredibly，the robot has a real sense of logic.if it comes across an obstacle it ge

13、ts momentarily confused.it has to think about what to do and where to go next.sometimes it throws_a_fit just like a real person.myles and his colleagues hope that robots like cave crawler will one day be used in rescue operations.“a robot could speed up the rescue process by doing reconnaissance(侦察)

14、，says chuck whittaker，a robotics engineer at carnegie mellon.“the robot can go ahead and，with its sensors，report what it has found and whether it is safe for humans to proceed.using robots in rescue operations，though，is problematic.the lasers that guide the robots dont work in smoky environments so

15、the engineers at carnegie mellon have experimented with sonar(声呐)and radar guidance systems，and with some success.some experts predict that robots in mines will serve much of the same function that they do in the automotive industry.the robots do the most repetitive and dangerous jobs，but wont get r

16、id of the need for human workers.5the underlined phrase“throws a fitin paragraph 3 probably means“_agets angrybgets shockedcbecomes confused dbecomes cheerful6we can infer from the last paragraph that _.athe mining robots will have a very bright futurebrobots in the automotive industry must be impro

17、vedcthere will be no need for human workers in minesdrobots in mines will cost a lot7what can guide the robots in smoky environments?athe lasers.bsonar and radar guidance systems.ccommand guidance systems.dimage matching guidance systems.二、短文填空根据短文内容，从短文后的选项中选出能填入空白处的最正确选项。选项中有两项为多余选项。_1_some people

18、 dry roses for craft purposes.others do it to pres2_there are many different methods for drying roses.here are some tips and guidelines：_3_air drying is perfect for those rose buds (花蕾)t4_ it will take around one to two weeks for the roses to get dry.once they dry completely，you can use them，but，han

19、dle the dried roses with care，as they will be brittle after drying.5_after that，take out the bowl and let it cool for another three to five hours.athe only solution is to dry those flowers.bpeople dry roses for a number of reasons.cthis has become extremely easy with modern technology.dair drying is

20、 one of the common methods adopted for drying roses.ethe next step is to hang these roses upside down，in that dark and dry area.fthe next step is to microwave the roses for around two to three minutes at a low setting.gthere are various methods of drying roses：air drying，drying in microwave and dryi

21、ng with drying agents.5_三、短文改错增加：在缺词处加一个漏字符号()，并在其下面写上该加的词。删除：把多余的词用斜线()划掉。修改：在错的词下划一横线，并在该词下面写出修改后的词。注意：1.每处错误及其修改均仅限一词；2只允许修改10处，多者(从第11处起)不计分。last weekend we went mountain climbing.even the heavy rain in the morning could not prevent us go.setting off very early，we went along an extreme narrow road，all in high spirits.on every side of the r