课时作业38Unit3InventorsandinventionsⅠ.单项填空1．(2013·湖北襄樊四中期末考试)Awell­writtencomposition________agoodchoiceofwordsandclearorganizationamongotherthings.A．callsonB．callsforC．callsupD．callsoff解析：callfor需要。callon号召，拜访某人；callup使回忆起；calloff取消。答案：B2．(2013·济南外国语学校质检)Themanwhohit9peopleinarowhaddrunksomuchthathismindcouldnolonger________betweenfantasyandreality.A．distinguishB．discourageC．disturbD．disappear解析：distinguish区分。句意：连续撞了九人的那位男人喝了如此多的酒以致于他的大脑不能再区分虚幻与现实。答案：A3．(2013·武汉调研)Whenitcomestosecond­handcars,onehastobeas________aspossibleaboutthesourceandtheconditionofthem.A．cautiousB．patientC．urgentD．casual解析：cautious小心的，谨慎的。句意：当谈及二手车时，你要尽可能对它的来源和状况小心。patient耐心的；urgent紧急的；casual随便的。答案：A4．Therescuers________toworkassoonastheyarrivedatthespotoftheaccident.A．setoutB．setoffC．setupD．setin解析：考查词组辨析。setouttodosth.开始做某事；setoff出发，动身；setup建立，设立；setin以……为背景。句意：救援人员一到事故现场就开始工作起来。答案：A5．(2013·河南襄城市月考)IstillrememberthedaywhenIsaidgoodbyetomyfamily,________ontheplaneandstartedmyjourneytoLondon.A．tostepB．steppingC．steppedD．havingstepped解析：第一个动词said为过去式；and后的started为过去式，空白处与said和started为并列谓语，故C项正确。答案：C6．—John.WouldyoupleasecallupTimtoinvitehimtotheparty?—Sorry,butthisphoneisoutoforder.Ican't________.A．getoutB．getoverC．getinD．getthrough解析：考查动词短语意义。句意：“约翰。请你给蒂姆打个电话请他参加宴会好吗？”“很抱歉，这个电话坏了，打不通。”getthrough“设法联系上(尤指打通电话)”，符合句意。getout离开，出去；getover克服，熬过；getin收进。答案：D7．Becauseofbeingscolded,theson________lefthomewithoutsayinganything,whichmadehisparentsanxious.A．abruptlyB．merelyC．shortlyD．apparently解析：句意：由于受到责备，儿子突然离家，什么话也没有留下，这使他的父母很着急。abruptly“突然地，唐突地”，符合句意。merely仅仅，只不过；shortly立刻，不久；apparently显然地，显而易见地。答案：A8．The________situationisserious,whichcallsforacompetentleadertodecideonitsfate.A．innocentB．dynamicC．mercifulD．current解析：current现在的，目前的。innocent无辜的；dynamic充满活力的；merciful仁慈的。答案：D9．Thecancerrisks________withsmokinghavebeenwellproved.A．combinedB．associatedC．causedD．joined解析：句意：患癌症的风险和抽烟有关已经被证明了。associatedwith“和……有关”，与句意相符。答案：B10．(2013·江苏启东中学期末)A