-1-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?AwellpreservedsourceofDNAfromtheextinctdinosaur,andacloselyrelatedspecies,currentlyliving,thatcouldserveasasurrogate(代用的)mother.Inreality?Probablynot.It'snotlikelythatdinosaurDNAcouldsurviveundamagedforsuchalongtime.However,scientistshavetriedtoclonespeciesthatbecameextinctmorerecently,usingDNAfromwellpreservedtissuesamples.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-2-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.Schooldinnersmustincludefoodgroupssuchasfruitand-3-vegetables,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”?-4-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.HowdidMarthaPayne'sblogbecom