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2021-2021学年人教版高中英语选修8Unit2单元质量检测试卷二含答案单元质量检测(二)(时间：100分钟满分：120分)Ⅰ.阅读理解(共15小题；每小题2分，满分30分)阅读下列短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。AResearchadvancesoverthepastdecadehavetoldusthat,withalittlework,wehumanscanclonejustanythingwewant,fromfrogstomonkeysandprobablyevenourselves!So,wecanclonethings,butwhywouldwewantto?Let'slookatsomeofthereasonspeoplegivetojustifycloning.1．CloningformedicalpurposesOfallthereasons,cloningformedicalpurposeshasthemostpotentialtobenefitalargenumberofpeople.Cloningtechnologiesmightreducethetimeneededtomakeatransgenicanimalmodel,andtheresultwouldbeapopulationofgeneticallyidenticalanimalsforstudy.2．CloningstemcellsforresearchStemcellsarethebody'sbuildingblockswhichmightbeusedtorepairdamagedordiseasedorgansandtissues.Researchersarecurrentlylookingoncloningasawaytocreategeneticallydefinedhumanstemcellsforresearchandmedicalpurposes.3．RevivingendangeredorextinctspeciesThedinosaurwasanextinctspecies.Couldwereallyclonedinosaurs?Intheory?Yes.Whatwouldyouneedtodothis?Awell-preservedsourceofDNAfromtheextinctdinosaur,andacloselyrelatedspecies,currentlyliving,thatcouldserveasasurrogate(代用的)mother.Inreality?Probablynot.It'snotlikelythatdinosaurDNAcouldsurviveundamagedforsuchalongtime.However,scientistshavetriedtoclonespeciesthatbecameextinctmorerecently,usingDNAfromwell-preservedtissuesamples.4．Cloninghumans?Whywouldanyonewanttoclonehumans?Somereasonsaretohelpinfertile_coupleshavechildrenortoreplaceadeceasedchild.However,therearetherisksinvolved.Forexample,howsurecanwebethataclonedbabywillbehealthyorwhatmightgowrong?语篇解读：人们认为通过克隆可以复制一切生物，并提出了几个理由来支持克隆，如出于医疗目的的克隆、克隆干细胞进行研究、拯救濒危的或灭绝的物种。有人甚至希望通过克隆来使不能生育的夫妇实现拥有自己孩子的梦想。1．What'sthemainideaofthewholepassage?A．Whypeoplewanttousecloning.B．Howtocloneanimals.C．Cloningisofgreatuseforpeopleandanimals.D．Thedevelopmentofcloning.解析：选A主旨大意题。从第一段最后提出的问题及四个副标题可以看出，本文讲述的是人类想要使用克隆技术的原因，故选A项。2．WhichofthefollowingisTRUEaccordingtothepassage?A．Cloningismainlyusedforcloninghumanbeings.B．Inthefarfuture,wewillhavethelivedinosaursonearth.C．Cloninghumanbeingsmaycausealotoftrouble.D．Geneticallyhumanstemcellsareusedforcloninghumanbeings.解析：选C细节理解题。A项中mainly的表述不准确，克隆技术也同样应用于植物和其他动物；B项信息与事实不符，根据第四段可知，恐龙将来很可能不会生活在地球上；根据第三段可知，D项表述错误。故选C。3．Theunderlinedphrase“infertilecouples”inthelastparagraphprobablymeans________.A．coupleswhojustmarriedB．coupleswhoareunabletobearchildrenC．coupleswhodon'tlikebearingchildrenD．coupleswhowanttobearmorechildren解析：选B词义猜测题。通读画线短语所在的句子可以推断出infertilecouples的意思是“不能生育的夫妇”。BDoyouhavelunchatschool?Doyoulikehavinglunchatschool?Schooldinners(thatmeans“lunch”)areahottopicintheUKthesedaysandtherearelotsofdifferentopinionsaboutwhatyoungpeopleeatatlunchtime.Somepeoplethinkthatschoolmealsareunhealthy;somepeoplesaythattheyaremuchbetterthaninthepastandotherssaythatmiddaymealsshouldbefreeforallschoolchildren.Atypicalschooldinnercostsabout2poundsadayforasecondarypupilintheUK.Thereisusuallyamaincourse,adessertandadrink.Parentsoftenpayinadvanceonline.Schooldinnersmustincludefoodgroupssuchasfruitandvegetables,protein(forexamplemeat,fishorcheese)andcarbohydrate(forexamplericeorpasta).Therearerulesabouthowthefoodisprepared,forexampletherearelimitsonthequantityoffriedfood.MarthaPayne,fromScotland,startedablogcalledNeversecondsaboutherschooldinnerswhenshewasjustnineyearsold.Shepostsphotographsofherluncheverydayandgivesthefoodagradeoutoften.Thegradedependsonthequalityandquantityofthefoodandhowhealthyitis.Shedoesn'talwaysgivegoodgrades.Hercomplaintsincludetoomuchfriedfood,smallquantitiesandhairinthefood.ManypeoplereadherblogandyoungpeoplefromallovertheworldpostpicturesoftheirschoolmealsonNeverseconds.JamieOliver,thecelebrityBritishchef,isconcernedaboutschooldinners.Hethinksthattheyneedtobehealthierandtastier.JamiehelpedtopromoteMartha'sblogbytweeting(在推特上留言)aboutitandNeversecondsbecameverypopular,veryquicklyonsocialmediawebsites.Ontheblog,Marthaalsocollectsmoneyforcharity.Themoneyisusedtoprovidefoodformorethan600,000poorchildrenaroundtheworld.语篇解读：本文是一篇议论文。主要论述了学校午餐成为热门话题以及人们对此所持的观点。4．SchooldinnerscanbeahottopicintheUKthesedaysbecause________.A．parentscannotaffordtopayforthemB．theyhaveledtomanyhealthyproblemsC．peoplehavedifferentopinionsaboutthemD．therearenorulesabouthowthefoodisprepared解析：选C细节理解题。根据第一段第三句中的“therearelotsofdifferentopinionsaboutwhatyoungpeopleeatatlunchtime”可知，因为人们对学校午餐有不同的意见，所以这成了热门话题。故答案选C。5．Whatdoyouknowaboutthetypicalschooldinner?A．It'sfreeforallschoolchildren.B．Itcostsabout2poundsaday.C．It'slowinproteinandcarbohydrate.D．Ithasnofruitandvegetables.解析：选B细节理解题。根据第二段第一句“Atypicalschooldinnercostsabout2poundsadayforasecondarypupilintheUK.”可知，对于一个英国中学生而言，标准的学校午餐每天要花费大约2英镑。其他三个选项都有悖于文章内容。故答案选B。6．Whichofthefollowingistheexampleoftheunderlinedword“complaints”？A．Hehasneverphonedmesinceweparted.B．Shepostsphotographseverydayinherblog.C．Theyarealwaysdoingtheirworkprettywell.D．Todaywehadpizza,salad,thenanapplefordessert.解析：选A推理判断题。根据第三段中的“Shedoesn'talwaysgivegoodgrades...toomuchfriedfood,smallquantitiesandhairinthefood.”可知，她也会抱怨食物不好。故画线词意为“抱怨”。A项意为“自从我们分开以来他从未给我打过电话”属于抱怨的例子。故答案选A。7．Ho