选修8 Unit 3 Inventors and inventions.doc

　Unit 3　Inventors and inventionsⅠ.单项填空1．—Have you ______？—No.I had the wrong number.A．got in　　　　　　　　 B．got awayC．got off D．got through解析 考查动词短语的区别get in“插话，收割 ”；get away“离开；走开”；get off“下车”；get through“接通 ，完成，到达，通过” ，由此可知该题的答案为 D 项，意思是“你打通了吗？”答案 D2．So far nobody has claimed the money______in the library.A．discovered B．to be discoveredC．discovering D．having discovered解析 考查非谓语动词作定语句意：迄今为止，没有人认领在图书馆里发现的钱因discover 与 money 之间是逻辑上的动宾关系，故用 过去分词作定语答案 A3．There were many talented actors out there just waiting______.A．to discover B．to be discoveredC．discovered D．being discovered解析 考查不定式的被 动式作目的状语。

解答这类题时，一定要弄清非谓语动词和主语之间的逻辑关系句意：在外面有 许多有才华的演员等着被 发现 to be discovered 为不定式短语作目的状语discover 与其逻辑主语 actors 之间为动宾关系，且 discover 动作是将要发生，故用动词不定式的被 动式答案 B4．After that，he knew he could______any emergency by doing what he could to the best of his ability.A．get away with B．get on withC．get through D．get across解析 考查 get 动词短语句意： (经历过)那件事以后，他知道只要他尽自己所能就能处理任何紧急情况to the best of 尽……所能；就……的限度get away with 携……潜逃；(做了坏事) 逍遥法外；get on with 进展；相处；get through 通 过；完成；get across 过(马路、桥等)；使( 人)了解自己的意思由句意可知，C 项为最佳选项答案 C5．It’s the sort of work that ______ a high level of concentration.A．calls for B．makes upC．lies on D．stands for解析 考查短语动词辨析。

call for 需要，需求； make up 编( 故事、借口等 )；lie in 位于，在于；stand for 代表根据句意，A 项符合答案 A6．I tried phoning her office，but I couldn’t______.A．get along B．get onC．get to D．get through解析 考查动词词组辨析get along“相处融洽， 进展”； get on“继续，进行，上车”；get to“到达，开始”；get through“穿过，通 过， 读完，打通( )”根据句意：我试着给她办公室打，但是没有打通因此只有 get through 符合句意答案 D7．It is difficult to______one twin from the other.They almost don’t ______from each other.A．differ； distinguish B．distinguish ；differentC．distinguish；differ D．tell；different解析 distinguish 表示“ 区分，辨别”，常构成 distinguish A from B，而 differ from each other 意 为“有区别，不同于” ，相当于 be different from each other。

答案 C8．—Mum，it is nice weather.I want to skate this afternoon.—Don’t you think the ice on the lake is too thin to ______ your weight?A．carry B．bearC．catch D．take解析 这里的 bear 不表示“ 忍受 ”，而是 “承受” 的意思答案 B9．Hardly could he______this amount of work in such a short time.A．get through B．get offC．get into D．get down解析 考查动词短语辨析句意：在这么短的时间内他几乎完不成这么多工作get through 有完成之意，符合句意 get off 下车；get into 进入，陷入；get down“下车，吞下，写下”；都与句意不搭配答案 A10．It is hard for young children to distinguish right ______ wrong.A．with　　　 B．to C．from 　　　 D．between解析 distinguish right from wrong“辨别是与非” 。

答案 C11．When we plan our vacation，mother often offers______suggestions.A．careful B．practicalC．effective D．acceptable解析 母亲是长辈，她所拥有的是实用的信息建议要经过检验之后才知道是否有效，排除 C 项，可接受的建议不一定实用，排除 D 项答案 B12．—Mum，we’ve got to be ______ and buy only what we need.—Oh，I’m glad to hear that.A．practical B．contentC．familiar D．actual解析 前句句意：我们一定要实际些，只要我 们需要的东西 practical 实际的，符合情况的；content 满意的；familiar 熟悉的；actual 实际的答案 A13．Letterboxes are much more______in the UK than in the US，where most people have a mailbox instead.A．common B．normalC．ordinary D．usual解析 考查同义词 辨析。

句意：信箱在英国比在美国更常用，在美国大多数人都有一个 邮箱common 指“ 为许多人或事物所共同具有的，因而常 见” ；ordinary 指“由于与一般事物的性质或标准相同，因而显得平常，无奇特之处，反义词为 special”； usual 指“ 在某一地方或某一时间内所常见的，往往指常用的 东西，或常 发生的事情，反义词为 unusual”；normal 同 regular 一样，意为“正常的，正规的，标准的”答案 A14．Start out right away，______ you’ll miss the first train.A．and　　　 B．but C．or　　　 D．which解析 句意：立刻出发，否则你会 错过第一班火车的 or 否则，符合句意答案 C15．Christmas Day is usually celebrated on December 25th ______ the birth of Jesus Christ.A．in praise of B．in honor ofC．in terms of D．in association with解析 考查介词短语辨析。

in praise of 称赞；in honor of 纪念；in terms of 在……方面；in association with 与……在一起，与……联合由题意知选 B 项答案 BⅡ.完形填空Elaine was a saleswoman，who drove all over the city five days a week.When all the freeway lanes were at a dead stop，she would drive quickly along the emergency lane.While driving she usually__1__on her cellphone，drinking a soda or eating a sandwich—her hands， legs and mouth were always__2__while she was driving.Last night she got__3__in Friday evening rush hour.She was going to be __4__for her date.She was already__5__when things seemed to be getting worse and all the traffic stopped.Elaine drove__6__over to the emergency lane.Soon she saw the red flashing lights in the mirror.She had to__7__her car.A good­looking officer walked up.“Officer，my boyfriend left me after he got me pregnant.I have constant morning sickness.I’m just trying to get to the nearest store to buy my__8__.” She looked at the officer with__9__eyes.He looked at her pitifully，then said__10__， “Okay，ma’am.Take the first exit.I hope you’ll be feeling better.”The officer walked back to his car and Elaine drove on.This was the second time that__11__had worked for her.She had one more thing to do before she got home.She had to mail a package.When she got to the shopping mall at 7 pm，no parking was__12__，except for the handicapped space.Elaine drove right into it.She would only be a minute，she told__13__.All she had to do was __14__the post office，get the package__15__，and pay the 。