清华大学考博英语模拟试卷12(题后含答案及解析)题型有：1. Structure and V ocabulary 2. Cloze 3. Reading Comprehension 4. English-Chinese Translation 5. WritingStructure and V ocabulary1．The assessment center gives each applicant the opportunity to ______ whether they are suited to the work.A．exemplifyB．demonstrateC．exposeD．exhibit正确答案：B2．Fresh fruits and vegetables are generally less expensive when they are in________.A．saleB．needC．seasonD．time正确答案：C解析：“in sale”无此搭配．应为“on sale”，表示“出售，拍卖”，“in need”表示“需要的”。
“in season”表示“(水果等)应时的，时令的，“in time”表示“及时地，准时地”。
3．It is naive to expect (hat any society can resolve all the social problems it is faced with_______.A．for longB．in and outC．once for allD．by nature正确答案：C解析：once for all是“一劳永逸”。
A for long是“长久”；B．in and out是“里外”；D．by nature是“本质上”。
4．Mrs. Mary wore a string of beadsaround her neck.A．small pieces of goldB．small balls of precious stonesC．small pieces of woodD．small balls of glass正确答案：D解析：beads“有孔的小珠”与D项small balls of glass相符。
5．He swallows his words so much that I can never ______ what he is saying.A．make outB．put upC．deal withD．take up正确答案：D解析：make out了解，辨认出；put up建造，举起；deal with处理；take up 询问，理睬，对……采取进一步的行动。
即“不再理睬和相信他说的话”。
6．The patient is not in good condition, so do not ______ your visit.A．lengthenB．delayC．extendD．prolong正确答案：D解析：lengthen延长(一般指长度)；delay延迟；extend扩充，延伸；prolong 拖延7．Elizabeth B. Browning, who (has remembered) for her (love) poems, (published) her (first work) at the age of twelve.A．has rememberedB．loveC．publishedD．first work正确答案：A8．The medicine is on sale everywhere. You can get it at ______ chemist’s.A．eachB．someC．certainD．any正确答案：D解析：句意隐含了对D项any的选择。
9．Although Ms. Brown found some of her duties to be ______, her supervision of forty workers was a considerable responsibility.A．ambiguousB．provisionalC．menialD．unique正确答案：C解析：(menial卑贱的)。
句意为：尽管布朗女士发现她的一些任务很低贱，但监督40名工人还是意味着相当大的责任。
A．ambiguous模棱两可的；B．provisional临时的；D．unique独特的。
10．Drive straight ahead,and then you will see a_____to the Shanghai-Nanjing Expressway.A．signB．markC．signalD．board正确答案：A解析：各项的意思是：sign“记号，手势”；mark“标志，痕迹”；signal“信号，暗号”；board“(供作特殊用途的)木材，餐桌”。
根据句意可知，应选择A。
11．That sound doesn’t ______ in his language, so it’s difficult for him to pronounce it.A．happenB．occurC．haveD．take place正确答案：B解析：本题的四个动词或动词短语中，除了C项have以外，都含“发生”的意思，但其中只有B项occur含有“出现”的意思，适合本句的上下文，为正确答案。
12．Although crowded cities seem to be a ______ of our crowded world, only 10 percent of the world’ s people live in cities as large as Madrid or larger.A．sceneB．signalC．symbolD．site正确答案：C解析：symbol象征，符号。
scene场景。
signal信号。
site地点，场所。
13．This is not the right_______to ask for my help;I am far too busy even to listen!A．momentB．situationC．opportunityD．circumstance正确答案：A解析：not the right moment时候不对，时机不恰当.14．By mid-night ______ workers said they had found all those injured in the boat accident.A．rescueB．salvageC．safetyD．relief正确答案：A解析：(rescue营救，抢救)。
句意为：到午夜时分，救援人员说，他们已找到这次行船事故中的所有伤员。
B．salvage打捞；C．safety安全；D．relief救济。
15．She is very about her appearance. Half of her salary goes to clothes.A．particularB．peculiarC．specialD．unusual正确答案：A解析：A.particular挑剔；B．peculiar特殊的；C．special专门的；D．unusual不平常的。
16．A scientific law is liable at any time to need modifying. This happens when fact is discovered which seems to ______ what the law would lead one to expect.A．proveB．supportC．contradictD．discourage正确答案：C解析：“一项科学定律随时都可能需要改进”是“(当新的事实)违背(该定律时)”时，因此选contradict“与……相矛盾”。
prove证实；support支持；discourage (something)使(某事)难以发生。
17．We are writing to the manager________the repairs recently carried out at the above address.A．with the exception ofB．with the purpose ofC．with reference toD．with a view to正确答案：C解析：A．with the exception of除……之外。
B．with the purpose of带有……目的。
C．with reference to关于，就……而论。
D．with a view to以…为目标。
18．Rather than allowing the government to control investments, true power, should be given to the people, allowing individually owned and privately managed investment accounts ______.Individual Retirement Accounts.A．similar forB．familiar toC．similar toD．famous for正确答案：C解析：形容词短语的搭配关系及其充当后置作定语的功能，是个常见的题眼。
19．Activist parents say school kids aren’t_____enough to understand that a fruit-flavored soft drink doesn’t have the nutritional benefits of real fruit.A．adulteratedB．mingledC．sophisticatedD．refined正确答案：C解析：各项的意思是：adulterated“掺人次级品的”；mingle“(使)混合”；sophisticated“富有经验的；老练的，练达的”；refine“精炼，精制”。
20．From the time of the Greeks to the Great War, medicine’s job was simple: to struggle with ______ diseases and gross disabilities, to ensure live births, and to manage pain.A．immortalB．immuneC．lethalD．toxic正确答案：C解析：lethal致命的；immortal不朽的；immune免疫的；toxic有毒的。