2019-2020学年高中英语 Unit 2 Cloning 课时跟踪检测（一）Warming Up

-1-课时跟踪检测（一）WarmingUp&Reading—Pre-reading阅读理解ATherearemanywaysinwhichhumancloningisexpectedtobenefithumans.DrRichardSeed,oneoftheleadingsupportersofhumancloningtechnology,suggeststhatitmaysomedaybepossibletocompletelychangetheagingprocessbecauseofwhatwelearnfromcloning.Scientistsbelievethattheymaybeabletotreatheartattackvictimsbycloningtheirhealthyheartcellsandinjectingthemintotheareasoftheheartthathavebeendamaged.HeartdiseaseisthenumberonekillerintheUSandseveralotherindustrialisedcountries.Therehasbeenabreakthroughwithhumanstemcells.Embryonicstemcellscanbegrowntoproduceorganstorepairorreplacedamagedones.Skinforburnvictims,braincellsforthebraindamaged,hearts,lungs,andkidneyscouldbeproduced.Bycombiningthistechnologywithhumancloningtechnology,itmaybepossibletoproduceneededorgansforsufferingpeoplethatwillbefreeofrejectionbytheirimmunesystems.ConditionssuchasAlzheimer'sdisease,Parkinson'sdisease,heartfailure,andotherproblemscanbecuredifhumancloninganditstechnologyarenotbanned.Thoughcurrenttreatmentsforinfertility(不生育)aregettingafairamountofpublicityinthenews,they,intermsofpercentages,arenotverysuccessful.Somedatashowsthatcurrentinfertilitytreatmentsarelessthan10percentsuccessful.Couplesgothroughphysicallyandemotionallypainfulproceduresforasmallchanceofhavingchildren.Manycouplesrunoutoftimeandmoneywithoutsuccessfullyhavingchildren.Humancloningcouldmakeitpossibleformanymoreinfertilecouplestohavechildrenthaneverbeforepossible.语篇解读：本文作者从几个方面介绍了克隆技术给人类带来了好处。1．AccordingtoDrRichardSeed,wecanusecloningtechnologyto________.A．producemoreanimalsB．makepeoplelivehappilyC．makepeoplelookyoungerD．curepeopleofmanydiseases解析：选C推理判断题。根据第二段中的“tocompletelychangetheagingprocess”-2-可知，RichardSeed认为克隆技术可以彻底改变变老的进程。因此推知，克隆技术可以使人们看上去更年轻。2．Wecanlearnfromthepassagethat________.A．cloninghasalreadybeenusedtotreatheartdiseaseB．wecantreataman'sheartdiseasebycloningheartsC．mostpeopleinindustrialcountriessufferfromheartdiseaseD．morepeopledieofheartdiseasethanofotherdiseasesintheUS解析：选D细节理解题。根据第三段最后一句可知，心脏病是美国和其他工业化国家的头号杀手，因此在美国死于心脏病的人要比死于其他疾病的人多。3．Whatisthemainideaofthelastparagraph?A．Withcloninginfertilecouplescouldhavechildren.B．Treatmentofinfertilityisnotsuccessful.C．Infertilecouplessufferalotphysicallyandmentally.D．Itisdifficultforcouplestohavemorechildrennow.解析：选A段落大意题。联系全文可知，本文的主题是人类克隆技术。最后一段点明了现在治疗不孕的成功率很低，许多夫妇饱受煎熬，最后说明了利用人类克隆技术可以使不孕的夫妇有自己的孩子，因此A项正确。4．Whatistheauthor'sattitudetowardshumancloning?A．Supportive.B．Doubtful.C．Cautious.D．Curious.解析：选A推理判断题。根据文章第一句，特别是关键词benefit及第二至五段(都是讲人类克隆技术会给人类带来益处)可推知，作者对人类克隆技术持支持的态度。B“BANG！”thedoorcausedareverberation(回声).Itwasjuststandingthere,withfatherstandingononeside,andmeontheotherside.Wewerebothingreatanger.“Neversetfootinthishouseagain！”stormedfather.Withtearswellingupinmyeyes,Irushedoutoftheflatandranalongthestreet.Thestreetlightswereshining,causingrathersadfeelings.Iwanderedaimlessly.Ayoungfatherwhoheldachildinhisarmswalkedpastme.IfeltasifIsawmychildhoodfromanotherspace:happyandcarefree.Butnow...Idon'tknowwhetheritisbecauseIhavegrownuporbecauseDadisgettingold.Wedifferinourwaysofthinking.Wearejustliketwopeoplecoming-3-fromtwodifferentworlds.Itfeelslikethereisanirondoorbetweenusthatcanneverbeopened.Iwanderedthestreets,withoutadestinationinmind.My_heart_was_frozen_on_this_hot_summer_night.AsIwalkedon,therewerefewerandfewerpeopleonthestreets,untilIhadonlythestreetlightstokeepmecompany.WhenIfinallyreachedthehigh­riseapartmentblockinwhichIlived,Isawthatthelightwasstillon.Ithoughttomyself，“Isfatherwaitingforme,orishestillangrywithme？”Infact,itwasnothing.Perhaps,Dadwasthrowingawaysomeofhisoldstamps.Perhapshethoughttheywereuseless.IneverhadthecouragetotellhimthatIlikedcollectingstamps.Allthelightswereoffexceptfather's.Dadwasalwayslikethis.Maybehedidn'tknowhowtoexpresshimself.Aftershoutingatme,henevershowedanymercyoranymomentsofregret.Thiswashowhealwayswas.Hehasbeenaleaderforsolongthattellingeveryoneelsewhattodohasbecomehissecondnature.Thelightwasstillon.“AmIwrong？”Iwhispered,maybe...Withthekeyinmyhand,IwasasnervousasIhadeverbeen.Atlast,Idecidedtoopenthedoor.AssoonasIopenedthedoor,tearsrandownmycheeks.IsuddenlyrealizedthattheirondoorthatIhadimaginedbetweenusdidnotexistatall.Love—it'ssecondtonone.语篇解读：本文是一篇记叙文。作者与父亲吵架后负气出走，在街上游荡了一会儿后才回家。当他打开门时，却被父亲浓浓的爱意感动得热泪盈眶，此时横在父子之间的那道铁门也消融了。5．Whichisthecorrectorderofthefollowingeventsaccordingtothepassage?a．Iopenedthedoorandenteredthehouse.b．Iranoutintothestreetangrily.c．IreachedtheplacewhereIlivedandsawmyhousestillbrightlylit.d．Irecalledmyhappychildhood.e．Ibegantowalkaboutinthestreetwithoutanyaim.A．e，b，d，c，aB．b，e，d，c，aC．b，e，c，d，aD．e，b，c，a，d解析：选B细节理解题。通读全文可知，作者与父亲吵架后负气出走，在街上游荡了一段时间后想起了自己的童年，最后回到了自己住的地方，推开房门进了屋。故选B。-4-6．WhichofthefollowingstatementsisTRUEaccordingtothepassage?A．Theauthorfullyunderstoodwhyheandhisfatherhaddifferentthinking.B．Theauthor'sfatherdidn'tapproveofhisstampcollecting.C．Theauthorandhisfatherlackedcommunication.D．Theauthor'sfatheropenedthedoorforhimwhenhecameback.解析：选C推理判断题。根据第五段后三句可知，作者和父亲的思维方式不同，两个人好像是来自不同的世界，作者感觉自己和父亲之间有一道铁门。由此可推知，作者和父亲之间缺乏沟通。故选