兰州大学《大学英语(3)》19秋平时作业3参考答案

大学英语(3)19秋平时作业3-0001试卷总分:100 得分:100一、单选题 (共 20 道试题,共 100 分)1.The engineers are planning to _ oil with some kind of material for the engine.A.substituteB.placeC.replaceD.instead答案:C2.Truth will _ over falsehood, right over wrong.A.prevailB.advantageC.winD.earn答案:A3._ useful book it is！A.WhatanB.HowaC.WhataD.What答案:C4.That was _ matter that I had no choice but to talk it over with my parents.A.asuchseriousB.asoseriousC.suchseriousaD.soseriousa答案:D5.I asked the saleswoman to _ the price, but she firmly refused to. Faced with this I decided to turn to the manager.A.bring downB.lay downC.put downD.draw down答案:C6.Ive been a student there for nearly two and _ half yearsA.aB.anC.theD.答案:A7.When did you arrive in Beijing? - _.A.nobody informs me.B.I will see you later.C.2 hours laterD.No, I dont think I can get soon.答案:C8.what were you doing at nine last night? - _.A.I was watching TV at that time.B.Yes, but I cant afford the timeC.I did my homework.D.I am going to leave my aunt’s home.答案:A9.The boys spent the whole morning _ possible answers to the question.A.discussB.anddiscussingC.discussingD.anddiscussed答案:C10.Only after a year _ to see the results of my experiment.A.IbeganB.IhadbegunC.haveIbegunD.didIbegin答案:D11.It is useful to be able to predict the extent _ which a price change will affect supply and demand.A.fromB.toC.forD.with答案:B12.She was scared to _ death when she heard the news.A.as much asB.as well asC.as good asD.as many as答案:C13.I really dont know how to thank you enough A.NoproblemB.ThinknothingofitC.WithpleasureD.Gladtohearthat答案:B14.My brother changed his major at college several times and he never _ any one very long.A.stucktoB.keptbackC.letaloneD.madeway答案:A15._ , Edison began experimenting with something which he had made himself.A.OnAugust12,1877B.InAugust12,1877C.At12August,1877D.In1877,August,12答案:A16.He cut the cake_ .A.inhalvesB.inhalfC.intohalvesD.intohalf答案:B17.Did your classmate accept your invitation? No, he _ refused.A.as far asB.as well asC.as soon asD.as good as答案:D18._, we started looking for work.A.HavingbeenspentallthemoneyB.AllthemoneyhavingbeenspentC.WespentallthemoneyD.Allthemoneywasspent答案:B19.While he was investigating ways t improve the telescope Newton made _discovery which completely changed _ mans understanding of color.A.a,/B.a,theC./,theD.the,a答案:A20.When he applied for a _ in the office of the local newspaper, he was told to see the manager.A.locationB.professionC.careerD.position答案:D