新编大学英语1综合教程练习unit3 Unit 3 Understanding ScienceI. Key words & phrasesaccurate amountattitude audiencebackground basisbrief challengecivilization competitionconcept conclusioncontact conveyelement ensureentertain evaluateevidence expertfailure fictionfrustrate gradualgrasp henceinitiative inquireminority moreovernuclear outcomeprecise processprofessional proportionpropose rateseries steadysufficient technologytend weaponyield geneticsuppress at the momentbring about cut offdo without fit intoin terms of lie inin the form of in two mindsmake sense put acrossput the clock back slow downwear downAdditional VocabularyGreat minds think alike 英雄所见略同To get ahead you will have to work long hours and take short vacations. 要出头，就要多流汗，少享受Don’t bury your head in the sand. 不要逃避现实Opportunity knocks at the door but once. 机不可失，时不再来Set a thief to catch a thief. 以毒攻毒To err is human, to forgive is divine. 犯错误是人之常情，宽恕是超凡脱俗Tomorrow never comes. 明日复明日，明日何其多If you insist. 恭敬不如从命Genetic engineering 基因工程Maternity and child care 妇幼保健Attach importance to the problem of population aging 重视老龄化问题Be geared to international standards; be brought in line with international practice 与国际接轨A small proportion of the population 一小部分人Ⅱ. Vocabulary & Structure1.When he failed to pay his bill, the company ____ his electricity.A. cut offB. cut inC. cut outD. cut down2. We secured the contrast in the face of ___ from several foreign films.A. compositionB. competitionC. comparisonD. comprehension3. People’s _______ towards the skyscrapers varies widely.A. feelingB. attitudeC. opinionD. idea4. Education should not be considered to be a(n) ____ in a modern society.A. dominionB. powerC. authorityD. privilege5. They _____ whether he would care to take the position of teacher of physics in a high school.A. instructedB. inspiredC. inquiredD. inspected6. Personal _____ and private enterprise has been more and more stressed.A. indicationB. incomeC. initiativeD. incline7. Coal miners get stomach cancer at a _____ 40 percent higher than the general public.A. rateB. speedC. priceD. amount8. These factors must be adjusted rapidly to _____ high efficiency.A. ensureB. encourageC. endureD. engage9. He returned to the room and _____ Mary of his decision.A. reportedB. informedC. toldD. said10. Y ou must hold the gun ____ when shooting.A. straightB. stiffC. stickyD. steady11.People are trying to ____ the sun’s rays as a source of energy.A. controlB. masterC. takeD. harness12. _____ money they’re quite rich, but they are not happy in marriage.A. In terms ofB. A ccording toC. On the basis ofD. In accordance13. He is always _____ in what he says and does.A. accustomedB. accidentalC. accurateD. actual14. The audience could not ____ what he was trying to explain.A. gatherB. graspC. gazeD. generate15. They have with them _____ equipment for a small laboratory.A. subsequentB. sufficientC. sophisticatedD. stable16. If my letter _____ the impression that I was indifferent, please forgive me.A. conveyedB. transportedC. carriedD. concluded17. He may be a very clever research worker, but he’s very poor at ______ the stuff to a class.A. putting intoB. putting downC. putting asideD. putting across18. I have had to take the whole _______ for everything, to decide on every step.A. commandB. orderC. responsibilityD. charge19.There I came into ____ with some of the finest craftsman I have ever met.A. linkB. communicationC. contactD. connection20. His _____ in life was to graduate from medical school and become a great surgeon.A. purseB. purposeC. proposalD. pupil21. The only thing _____ is that you consult your lawyer about it.A. which can suggestB. that can suggestC. which I can suggestD. that I suggest22. For ten years he did not see her _____ to her.A. nor having writtenB. nor writeC. or writeD. or to write23. _______ she has got her own car she doesn’t get much exercise as she used to.A. ForB. Now thatC. WhileD. Just that24. He feels _____ to be a sales manager in such a large enterprise.A. it challengedB. challengingC. that challengingD. it challenging25. Americans eat ______ as they actually need everyday.A. twice protein as muchB. twice as much proteinC. protein as much twiceD. protein as twice much26. Mother always encourages her whenever she has trouble ____ something important to her.A. learningB. for learningC. having learntD. to learn27. With a face __ a pudding she behaves ____ she were a queen.A. like….asB. as… likeC. like… as ifD. as… as if28. Only by shouting at the top of her voice ______.A. she was able to make herself heardB .was she able to make herself heardC. was she able to make hers。