Unit3ComputersⅠ.单项填空1.Teachershavetoconstantlyupdatetheirknowledgeinordertomaintaintheirprofessional____.A.consequenceB.independenceC.competenceD.intelligence解析考查名词词义的辨析。consequence结果;后果;independence独立;competence能力;intelligence智力。句意:教师必须不断的更新自己知识以便于保持他们在职业上的能力。答案C2.Whyareyousoanxious?Itisn’tyourproblem______.A.onpurposeB.inallC.ontimeD.afterall解析句意:你为什么担心呢?毕竟那不是你的问题。onpurpose有意地;inall总共;ontime准时;afterall毕竟,终究,别忘了,到底。答案D3.Manypeoplebelievethatpovertyisonlyaprobleminruralareas.________,itisalsoaprobleminsomeurbanareas.A.AsaresultB.FurthermoreC.IntheendD.Asamatteroffact解析考查短语的辨析。asaresult因此;furthermore而且;intheend最后;asamatteroffact实际上。句意:许多人认为贫穷只是乡村地区存在的问题,实际上,它也是部分城市地区存在的问题。答案D4.Whathehassaidisreasonable________.A.inthewayB.onthewayC.bythewayD.inaway解析考查介词短语的辨析。intheway挡道;碍事;ontheway在途中;即将到来;bytheway顺便说;顺便问一下;inaway在某方面。句意:他说的话在某些方面是合理的。答案D5.Chinahasshownincreasinglypositive________ofeconomicperformance,butthecountry'seconomicrecoveryisstilluncertain,PrimeMinisterWensaid.A.tracesB.signalsC.marksD.signs解析考查名词词义的辨析。trace痕迹;遗迹;signal信号;mark符号;记号;sign符号;标记。句意:温家宝总理说中国已经表现出了日益增长的经济实绩的征兆,但是国家的经济复苏还不稳定。答案D6.Ihaven'tseenAnnfor________longthatI'veforgottenwhatshelookslike.A.suchB.veryC.soD.too解析句意:我有很长时间没见着安了,我已忘记她长什么样了。so/such...that如此……以至于,即so+adj./adv.+that,而such+n.+that,long为形容词,故用so。答案C7.Teachersrecommendparents______theirchildrenunder12toridebicyclestoschoolforsafety.A.notallowB.donotallowC.mustn’tallowD.couldn’tallow解析句意:老师们建议父母们不要允许12岁以下的孩子骑自行车上学,以确保安全。recommend表“建议”时,其后的宾语从句的谓语用shoulddo或shouldnotdo形式,should可以省略,故此题选A项。此题还省略了宾语从句的引导词that。答案A8.Thetrafficaccident______hisfastdrivingandhewasbadlyhurt.A.ledtoB.arosefromC.resultedinD.separatedfrom解析leadto/resultin“引起,导致”,后接结果;arisefrom“由……引起”,后接原因;separatefrom“分离”。答案B9.—Whydidn'tyouasktheteacherforadvice?—Shehadlefttheoffice________Ihadtimetodoit.A.beforeB.asC.afterD.till解析考查before作连词的用法。before表示“在……之前”,此处指“我还没来得及问,她就离开了办公室”。答案A10.Youshouldtake______ofthisopportunityandtrytomakeagoodimpressiononthem.A.careB.advantageC.chargeD.place解析句意:你应该利用这次机会努力给他们留下一个好印象。takecareof“照料”;takeadvantageof“利用”;takechargeof“掌管”;不存在takeplaceof这个短语。只有takeadvantageof符合句意。答案B11.Alltheemployeesexceptthemanager________toworkonlineathome.A.encouragesB.encourageC.isencouragedD.areencouraged解析句中有介词短语exceptthemanager,谓语动词和前面的主语Alltheemployees一致,用复数;根据句意,employees和encourage是被动关系,表示“被鼓励”,而且是一般现在时态,表示一般的动作,所以用一般现在时的被动语态。答案D12.Englishisconsideredasa(n)________language,anditisnosurprisethattherearesomanypeopleintheworldlearningEnglish.A.universalB.logicalC.artificialD.regular解析考查形容词辨析。句意:英语被认为是世界通用语言,所...