大学英语4交卷时间：2021-05-09 19:02:16一、单选题1.(2分)Silk _ by Chinese for thousands of years now. A.has used B.has been used C.was used D.is used得分：0知识点：大学英语4收起解析答案B解析2.(2分)We shall have an opportunity to exchange _ tomorrow. A.sights B.meanings C.views D.minds得分：0知识点：大学英语4收起解析答案C解析3.(2分)Yesterday Mr. Smith gave a vivid _ of his recent visit to China. A.dialogue B.idea C.tale D.account得分：0知识点：大学英语4收起解析答案D解析4.(2分)I cannot tell the _ difference between the twins. A.slight B.single C.simple D.slender得分：0知识点：大学英语4收起解析答案A解析5.(2分)All Im trying to do is to _ why your conclusion has not improved. A.look for B.find out C.search for D.get in得分：0知识点：大学英语4收起解析答案B解析6.(2分)The beef I ate at the restaurant yesterday is delicious. Id like to have it again even if it costs _. A.as twice much B.much as twice C.as much as D.twice as much得分：0知识点：大学英语4收起解析答案D解析7.(2分)Among the universities Oxford and Cambridge（）a dominant position. A.have B.Has C.hold D.possess得分：0知识点：大学英语4收起解析答案C解析8.(2分)This is the problem _ we have no good solution as yet. A.to that B.which C.for which D.to which得分：0知识点：大学英语4收起解析答案D解析9.(2分)Before I got to the cinema, the film _. A.Had begun B.has begun C.is begun D.was beginning得分：0知识点：大学英语4收起解析答案A解析10.(2分)I _ you that I had no intention of offending you. A.convince B.persuade C.guarantee D.assure得分：0知识点：大学英语4收起解析答案D解析11.(2分)Dont forget _ the window before leaving the room. A.closing B.to close C.to have closed D.having closed得分：0知识点：大学英语4收起解析答案B解析12.(2分)You _ to lock the door at night. A.should B.ought C.must D.shall得分：0知识点：大学英语4收起解析答案B解析13.(2分)As a driver, Mike had to take his（）of responsibility for the accident. A.section B.share C.role D.duty得分：0知识点：大学英语4收起解析答案B解析14.(2分)I dont think this kind of medicine has any _. A.answer B.cause C.effect D.work得分：0知识点：大学英语4收起解析答案C解析15.(2分)Even though pay was important, （）brought the greatest satisfaction was knowing that someone had noticed how a job was being done. A.what B.who C.which D.That得分：0知识点：大学英语4收起解析答案A解析16.(2分)After stopping for a few minutes, the bus moved _ to its next stop. A.forward B.off C.with D.on得分：0知识点：大学英语4收起解析答案D解析17.(2分)If we _ the plan you suggest, we are more likely to be successful. A.elect B.command C.decide D.adopt得分：0知识点：大学英语4收起解析答案D解析18.(2分)Hardly _ home when it began to rain. A.had I got B.I had got C.had I arrived in D.I had arrived at得分：0知识点：大学英语4收起解析答案A解析19.(2分)The atmosphere is all the air（）the earth A.surrounds B.surrounding C.to surround D.is surrounding得分：0知识点：大学英语4收起解析答案D解析20.(2分)Allow me one minute（）to change my clothes. A.where B.when C.in which D.how得分：0知识点：大学英语4收起解析答案C解析21.(2分)I will finish the job,（）long it takes. A.no matter however B.no matter how C.no matter so D.no matter rather得分：0知识点：大学英语4收起解析答案B解析22.(2分)I prefer classic music _ pop music. A.than B.on C.with D.to得分：0知识点：大学英语4收起解析答案D解析23.(2分)Please stop _. It cannot help the situation. A.to shout B.shouting C.to speak D.speaking得分：0知识点：大学英语4收起解析答案B解析24.(2分)There are nations whose lack of contact with the outside world has _ poverty. A.fallen into B.consisted in C.resulted in D.come up to得分：0知识点：大学英语4收起解析答案C解析25.(2分)If you made a decision, please stick _ what you want. A.to B.up C.of D.for得分：0知识点：大学英语4收起解析答案A解析26.(2分)They handed in their paper _. A.in line B.by turn C.at turn D.in turn得分：0知识点：大学英语4收起解析答案D解析27.(2分)What happens when sea water touches different elements（）another subject of study. A.are B.is C.have been D.were得分：0知识点：大学英语4收起解析答案B解析28.(2分)We cannot judge a person simply on the _ of this education. A.condition B.basis C.principle D.theory得分：0知识点：大学英语4收起解析答案B解析29.(2分)Students are entitled（）medical care under the National Health Service. A.by B.of C.on D.to得分：0知识点：大学英语4收起解析答案D解析30.(2分)_ they are doing has never been done before. A.That B.What C.Why D.Whether得分：0知识点：大学英语4收起解析答案B解析31.(2分)_ the advice of his friends,