【三维设计】2013高中英语-Unit20-New-Frontiers-Section-Ⅱ-课时跟踪检测课下作业-北师大版选修7VIP免费

SectionⅡArtificialIntelligence&ScientificBreakthroughsⅠ.单词拼写1．TheIndiansweretheoriginal(最早的)inhabitantsofNorthAmerica.2．Doyouknowwhoistheinventor(发明者)oftheelectriclights?3．Youshouldfindtheurgentexit(出口)themomentyoucometoahotel.4．Mikehasbeeninacomasincetheaccidenthappenedandhiscompletecure(痊愈)can'tbeexpected.5．Tenfishermenweresavedinadaringsearescue(营救)．6．We'vecorresponded(通信)foryearsbutI'veneveractuallymethim.7．Iwenttocollege.Meanwhile(与此同时),allmyfriendsgotwellpaidjobs.8．The20thcenturywitnessedthosebreakthroughs(突破)inscienceandtechnology.Ⅱ.单项填空1．Theincomesofskilledworkerswentup.________，unskilledworkerssawtheirearningsfall.A．MoreoverB．ThereforeC．MeanwhileD．Otherwise解析：选C。句意：熟练工人的收入上涨了，与此同时非熟练工人的收入降低了。meanwhile表示“与此同时”。2．Thewood________easily;itcanbeusedtomakeafire.A．issplitB．splitsC．canbesplitD．willbesplit解析：选B。句意：这种木材很容易被分开，可以用来生火。split意思为“裂开，撕开”。3．Scientistsaremakingeveryefforttofindanew________forcancer.A．effectB．wayC．cureD．method解析：选C。考查名词词义辨析。句意：科学家们正在尽力寻找治疗癌症的新方法。way与method尽管可以表示“方式、方法”，但是不如cure(治疗方法)更确切；当然也要考虑名词与介词的搭配；effect“作用”。故选C。4．—AnearthquakehitYushuonApril14,2010.Howmuchdidyou________？—Tenthousandyuan.Theymayhaveusedittobuysomeclothes.A．donateB．spendC．takeD．pay解析：选A。根据句子意思判断应用donate，意思为“捐赠”。5．She'shavingalotoftroublewiththenewcomputer,butshedoesn'tknowwhomto________.A．turntoB．lookforC．dealwithD．talkabout解析：选A。考查动词短语词义辨析。句意：她在操作这台新电脑方面有困难，但是她不1知道该向谁求助。turnto“求助于”；lookfor“寻找”；dealwith“应对，处理”；talkabout“谈论”。故选A。6．Tomwasabouttoclosethewindow________hisattentionwascaughtbyabird.A．whenB．ifC．andD．till解析：选A。句意：汤姆正要关窗户，这时他的注意力被一只鸟吸引住了。题干为“beabouttodosth.when...”结构，该结构表示“正要做某事，这时(突然)……”，其中when为并列连词。7．Inmanyplacesoftheworldpeopleoftengathertolaughwildlyjustto________stressonlife.A．rescueB．restoreC．replaceD．relieve解析：选D。relieve“减轻，解脱”；rescue“营救”；restore“恢复，复活”；replace“替换，代替”。8．Youmustn'tmentionanythingaboutthenegotiationinyourtalk,oryoumight________thecommercialsecret.A．giveoffB．giveinC．giveawayD．giveup解析：选C。句意：你决不能在谈话中提到有关谈判的任何内容，否则你可能会泄漏商业机密。giveaway“泄漏”，符合句意。giveoff“发出，放出(气味、热、光等)”；givein“屈服”；giveup“放弃”。9．Wheneverabigcompany________asmallone,theproductalmostalwaysgetsworse.A．getsonwithB．cutsdownC．takesoverD．putsupwith解析：选C。takeover意思是“接管，接替”。getonwith“相处，进展”；cutdown“缩减，缩短”，putupwith“忍受”。10．Notimeforsports,evenmusic,________filmsandTVprograms,allwestudentscanseeareexercises,exampapersandthissortofthingsA．notmentioningB．notmentionC．nottomentionD．tomentionon解析：选C。nottomention为固定用法，意为“更不用说”。Ⅲ.阅读理解安徽、河南专用Historyisfullofcaseswheredreamshavebeenapathwaytocreativityanddiscovery.AstrikingexampleisprovidedbyDr.OttoLoewi,apharmacologist(药理学家)andawinnerofNobelPrize.Loewihadspentyearsstudyingthechemicaltransmission(传送)ofnerveimpulses(神经脉冲).Atremendousbreakthroughinhisresear...