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Unit2Cloning【导语】1997年克隆羊多莉的诞生,就已为克隆人做好了技术上的准备。也使关于克隆人的争论变得更加现实。Humancloningisthecreationofageneticallyidenticalcopyofanexistingorpreviouslyexistingseveralhighlypublicclaims,humancloningstillappearstobeaisnosolidscientificevidencethatanyonehasclonedhumanembryosatpresent.In2023,agroupinSouthKoreapublishedapaperinthejournalScienceinwhichitclaimedtohavecreatedaclonedhumanembryoinatest,anindependentscientificinstitutelaterfoundnoprooftosupporttheclaimand,inJanuary2023,Scienceannouncedthatthepaperhadbeenwithdrawn.InJanuary2023,DrSamuelWoodandDrAndrewFrenchinCaliforniaannouncedthattheysuccessfullycreatedthefirst5fullygrownhumanembryosusingDNAfromadultskincells,aimingtoprovideasourceofviableembryonicstemDrWoodstatedthatifthatwerepossible,usingthetechnologyforreproductivecloningwouldbebothimmoraland5clonedembryosweredestroyed.Thevariousformsofhumancloningarescientific,governmentalandreligiousorganizationsopposereproductive,somepeoplehaveconsideredtheideaofgrowingorgansseparatelyfromahumanorganism—indoingthis,aneworgansupplycouldbeestablishedwithoutthemoralproblemofharvestingthemfromhumans.【词海拾贝】1.geneticallyadv.从遗传学角度,从基因角度2.viableadj.切实可行的,有望实现的3.reproductiveadj.生殖的,再生产的【问题思考】1.Whatishumancloning?_______________________________________________________答案:HumanCloningisthecreationofageneticallyidenticalcopyofanexistingorpreviouslyexistinghuman.2.Whatismostpeople'sattitudetohumancloning?_______________________________________________________答案:Theyopposereproductivecloning.Ⅰ.为单词选择正确的释义1.commercial A.装饰2.undertake B.最初的,开始的3.breakthrough C.假定;设想4.procedure D.媒介;手段;工具5.altogether E.程序;步骤;手续6.medium F.规则;规章;法规7.assumption G.商业的;贸易的8.regulation H.着手;从事;承担9.initial I.缺点;不利条件10.drawback J.总共;完全地11.decoration K.突破答案:1-G2-H3-K4-E5-J6-D7-C8-F9-B10-I11-AⅡ.根据所给汉语提示写出单词1.____________n.双胞胎之一;孪生儿之一adj.成对的;成双的2.____________vt.扔;投;掷3.____________vt.获得;赢得4.____________vt.获得;到达(水平,年龄,状况等)5.____________adj.道德(上)的;伦理的6.____________vt.欠(账,钱,人情等);归功于……7.____________vi.退休;离开8.____________vt.打扰vi.操心n.烦扰9.____________n.羽毛10.____________adj.合情理的;讲道理的;公道的答案:6.owe10.reasonableⅢ.根据英语释义写出单词1.________:outspoken2.________:correctineverydetail3.________:achangethatmakessthmoreaccuratethanitwasbefore4.________:bedifferent5.________:beagainst6.________:collectorgatheroveraperiodoftime7.________:hitsomeoneorsomething8.________:havingtoomuchpride9.________:beagainstsomeone10.________:only11.________:notabletodosomething12.________:admireverymuch答案:5.object10.merelyⅣ.选用正确短语的适当形式完成句子differfrom;payoff;castdown;objectto;infavourof;tobeexact;oone'sheart(s);fromtimetotime;beboundto;bring...backtolife;invain;ingoodcondition1.Don'tloseeffortswill________soonerorlater.答案:payoff2.Robertsattherealone,looking________.Whathadhappenedtohim?答案:castdown3.Areyou________Tony'ssuggestionthatweshouldworkaroundtheclocktomeetthedeadline?答案:infavourof4.Hisparents________hisgoingtotheUSAforfurtherstudy,becausetheythoughthewastooyoung.答案:objectedto5.Hewillsetoffthedayaftertomorrow,________,onMay26,Tuesday.答案:tobeexact6.Myopinionabouttheproblem________thinkthingswillgetbetterifwetryourbest.答案:differsfrom7.Ourteacher________theimportanceofsafety________,sowewereallcarefulwhencrossingthestreet.答案:oourhearts8.Thoughthebuildingwasbuiltinthe1980s,itisstill________________.答案:ingoodcondition9.Theoldkind-heartedmandonatedmoneytocharities________________thoughhedidn'thavemuchmoney.答案:fromtimetotime10.Toourgreatdelight,thebadlyinjuredboywas________bytheexperienceddoctors.答案:broughtbacktolife11.Iamafraidyoureffortsare________;hewouldn'tlistentoothers.答案:invain12.Thereappearedaweather________getbetter.答案:wasboundto课文表层理解Ⅰ.判断正(T)误(F)1.Aclonedanimalusuallydiesearlierthantheoriginalone.(T)2.Clonedpeoplecouldliveforever.(F)3.Cloningissomethingthathasbeendevelopedquiterecently.(F)4.Thelambisthecloneofthecellfromsheepbecauseitprovidesthenucleus.(T)5.Thereweremanyargumentsaboutanimalcloningandconcernsaboutthefutureofcloning.(T)Ⅱ.读课文回答问题1.Whatarethetwomajorusesofcloning?_______________________________________________________答案:Thefirstuseistoproducecommercialquantitiesofsecondistoresearchonnewplantspeciesanddomedicalresearchonanimals.2.Whyisiteasiertomakecommercialplantclonesthananimalclones?_______________________________________________________答案:Cloningplantsisstraightforward,butthecloningofanimalsisverycomplicated.3.Whatwasthefirstclonefromanadultanimal?Atwhatagedidthisclonedie?_______________________________________________________答案:ThefirstclonefromanadultanimalwasDolly,thediedin2023attheageof6andahalf.4.Whyiscloningcontroversialinsomecountries?_______________________________________________________答案:Itisformoralandreligiousreasons.Ⅲ.读课文完成表格DivisionMainideaDetailedfactsPara1Thedefinitionofcloning★Cloningisawayofmakingancopyofanotheranimalorplant.Para2TwomajorusesofcloningandtheprocedureofcloningDolly,thesheep★Firstly,gardenersuseittoproducequantitiesof,itisvaluableforresearchonnewplantspeciesandformedicalresearchonanimals.★Cloningplantsiswhilecloninganimalsisanimalsisadifficulttaskto.Butatlastthedeterminationandpatienceofthescientistsin1996witha.Para3ThebirthanddeathofDolly★CloningscientistsweretofindthatDolly'sillnessesweremoreappropriatetoamucholderDollylivedsixandahalfyears.Para4TheimpactofDolly★Dolly'sappearanceraisedastormofandhadagreatimpactonthemediaandpublicbecamecontroversial.Para5ControversybroughtbyDolly★Somegovernmentsbegantoreformtheirlegalsystemsandresearchintohumancloning,butothercountriescontinuedtoevidenceoftheabundantmedicalaidthatcloningcouldprovide.答案:4.undertakeoffdown课文深层理解Ⅰ.主旨匹配Para1Para2B.ThedefinitionofcloningPara3C.People'sreactiontocloningPara4D.TheproblemsofDollyPara5E.TheeffectofDolly答案:Para1-BPara2-APara3-DPara4-EPara5-CⅡ.单项选择1.WhichofthefollowingstatementsaboutcloningisNOTtrueaccordingtothetext?A.Cloningissomethingthathasbeendevelopedquiterecently.B.Twinsthatlookexactlythesameareoriginallyfromthesameegg.C.Cloningisusedbygardenerstomakemoremoney.D.Animalcloningismuchmoredifficultthanplantcloning.答案:A2.ThecloningofDolly,thesheepsucceededbecause________.A.it'seasiertocloneasheepthanotheranimalsB.thescientistsweredeterminedandworkedhardwithpatienceC.thescientistswererewardedandgotlotsofmoneyD.manyotherattemptstoclonemammalsfailed答案:B3.ThelambisthecloneofthecellfromsheepBbecause________.A.itprovidestheeggcellB.itgivesbirthtothelambC.itprovidesthenucleusD.itisafemalesheep答案:C4.Wecaninferfromthelastthreeparagraphsthat________.A.thenormaldevelopmentofDollyhadnoeffectonthecloningofotherspeciesB.Dolly'sseriousdiseaseandfinaldeathdisturbedthewholeworldC.DollysuccessfullyclonedanewlambwiththehelpofcloningscientistsD.therewereargumentsaboutanimalcloningandconcernsaboutthefutureofcloning答案:D5.Whatisthewriter'sattitudetowardscloninginthispassage?A.Objective. B.Negative.C.Positive. D.Unclear.答案:AⅢ.感悟下列句子所用句型并尝试译成汉语1.Itisadifficulttaskto_undertake._______________________________________________________答案:它是一项很难完成的任务。2.Cloningplantsisstraightforwardwhilecloninganimalsisverycomplicated._______________________________________________________答案:克隆植物简单,但克隆动物非常复杂。3.Althoughatpresenthumaneggcellsandembryosneededforcloningresearcharedifficulttoobtain,newspaperswroteofevilleadershopingtoclonethemselvestoattaintheirambitions.______________________________________________________________________________________________________________答案:尽管目前供克隆研究的人类卵细胞和胚胎很难获得,报纸报道却说,有些邪恶头目希望把自己克隆出来以实现他们的野心。4.Then_camethedisturbingnewsthatDollyhadbecomeseriouslyill._______________________________________________________答案:接着传来多莉病重的坏消息。如何写议论文1.在文章的开头提出有争议的观点(一般提出两个相对的观点然后客观地对其进行评析)。2.接下来可用一个或两个段落分别展开论述。在每段中,均可用主题句来点明论点,并对这些论点进行比较和对比、分析和评论。3.文章结尾对所论述观点进行客观、合理的评论,提出自己的看法、建议,表示自己对某一现象或论点的赞成或反对,阐明立场;或者也可以将不同观点相互融合,选其可取之处,形成自己独到的观点。【典型句式】1.Therearedifferentopinionsamongpeopleasto...Somepeoplesuggestthat...2.People'sopinionsabout...varyfrompersontopeoplesaythat...3.Everythinghastwosidesand...isnotanexception;ithasbothadvantagesanddisadvantages.4.Onthecontrary,therearesomepeopleinfavourof...Atthesametime,theysay...5.Thereareseveralmeasuresforusto...6.Facedwith...weshouldtakeaseriesofeffectivemeasuresto...Foronething...foranother...7.AsfarasIamconcerned,Iagreewiththelatteropiniontosomethinkthat...8.Comparingthiswiththat,however,Ipreferto...9.Formypart,Ithinkitreasonableto...Onlyinthiswaycanyou...10.Fromwhathasbeendiscussedabove,wemayreasonablyarriveattheconclusionthat...人们完成工作的方式通常有两种:独立完成和合作完成,两种方式各有特点。请你以“WorkingIndividuallyorWorkinginaTeam”为题,按照以下要点写一篇英语短文。1.独立完成:自行安排,自己解决问题。2.合作完成:一起讨论、相互学习。3.我喜欢的方式和理由。注意:词数100左右。【写作要点】1.提出完成工作有两种方式。2.分别叙述独立完成工作和合作完成工作这两种方式。3.写出自己喜欢的方式和理由。【范文点评】范文点评Workingindividuallyorworkinginateam①There_are_basically_twoways_togetworkdone.②One_is_to_workindividually.Inthisway,peoplecandecideforthemselveswhentostartworkandhowtodoit.③What's_more,theywillbeabletolearnhowtosolveproblemsontheirown.④People_may_also_choose_to_workin_ateam,wheretheycanlearnfromeachotherandhelpeachother.⑤Besides,theymayworkoutbetterwaystogetworkdonebydiscussion.⑥Personally,theonehand,itoffersmeachancetolearnhowtogetalongwithothersandtosharemyexperiencewiththeotherhand,astheworkcanbedividedamongseveralpeople,itcanbedone,teamworkisalwaysimportant.本文针对人们对独立完成工作和合作完成工作这两种方式的看法,分别给出两方的理由,并写出自己喜欢的方式及理由。文章层次清楚,用词准确,过渡自然。①提出话题,引出下文。②一方观点,后文紧接理由。③What'smore用得恰当,自然。④提出另一方观点。⑤Besides用得准确,且避免了用词重复。⑥提出自己的观点
假如你是李明,你班同学最近参加了某报组织的一场讨论。讨论的主题是:要不要克隆人类。请你根据下表所提供的信息,给报社编辑投稿,客观介绍讨论的情况。40%的学生的观点30%的学生的观点1.克隆人非常有意义。2.能使世界变得更加有趣,给人们带来更多的欢乐。3.可以克隆一些著名科学家,让他们为人类做更多的事情1.不能克隆人类。2.每个人都是很特别的,被克隆的人只不过是复制品罢了。3.克隆人可能被坏人利用你的观点:1.现在还很难说克隆人类是对还是不对。2.也许我们只得等待注意:1.信的开头和结尾已为你写好。2.词数100左右。Deareditor,RecentlywehavehadadiscussiononwhetherweshouldcloneYourssincerely,LiMing答案:Dear_editor,percentofthestudentsthinkcloninghumansverycanmaketheworldmoreinterestingandgivepeoplemorecanclonesomefamousscientistsandletthemdomorethingsforhumans.30percentofthestudentsthinkwecan'tcloneofusisspecial,butaclonedpersonisonlya'sworse,clonedpeoplemaybeusedbysomebadpersons.AsfarasIamconcerned,itisdifficultrightnowtosaywhethercloninghumansisrightorwewilljusthavetowaitandsee.Yours_sincerely,Li_MingⅠ.单句语法填空在句中空白处填上适当的内容(1个单词)或括号内单词的正确形式。1.Theeatinghabitsinthenorthdifferverymuch________thoseinthesouth.答案:from2.Leavesarefoundonallkindsoftrees,buttheydiffergreatly________allsizesandshapes.答案:in3.Iknow________(exact)howshefelt.答案:exactly4.Heundertook________(buy)meacar.答案:tobuy5.Themenwerepaid________onthelastdaybeforetheholiday.答案:off6.Herparentspaid________hertogotoCanada.答案:for7.Don'tbesocast________.Justkeepyourspiritsup.答案:down8.Themainobjection________theplanwasthatitwouldcosttoomuch.答案:to9.Manylocalpeopleobject________thebuildingofthenewairport.答案:to10.Thestandardiseasily________(attain)bymoststudents.答案:attainable11.Mybrotherwasforbidden________(play)theonlinegamesbymyparents,sohewassadandangry.答案:toplay12.Studentsareforbidden________referringtotheirnotesintheexamination.答案:from13.Thetourisminthisplacewillhaveanimpact________thelocalenvironment.答案:on14.Someexpertsatthemeetingwere________favourofthisproject.答案:in15.Myideais________youshouldapologizetoyourteacher.答案:that16.Thequestionis________weshouldaskthemforhelpornot.答案:whether17.Itoldhissecretto's________hegotangrywithme.答案:why18.Iamfondofpopmusic________myparentslikeclassicalmusic.答案:whileⅡ.完成句子1.Theirlanguagesandcustoms______________________(彼此不同)astheyarefromdifferentcountries.答案:differfromeachother2.______________________________(尽管他谈了半个小时),Istillcan'tunderstandhowonearthhisremarksrelatetowhatwearediscussingnow.答案:Although/Though/Whilehehastalkedforhalfanhour3.______________________/________________________(我突然想到)nobodywasinfavourofthechange.答案:Itstruckmethat/Itoccurredtomethat4.Theythinkitimportant____________________________(他们为无家可归的人提供地方)tostay.答案:forthemtoprovideplacesforhomelesspeople5.Onlythroughstudy________________________(才能获得知识).答案:canknowledgebeobtained6.________________________________(有这么多美食要品尝),youcanenjoyyourselfintheFoodFestival.答案:Withsomuchdeliciousfoodtotaste7.________________________________(大火被扑灭后不久),thedepartmentstoreopenedforbusinessagain.答案:ShortlyafterthebigfirewasputoutⅢ.阅读理解阅读下面短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项。Theboymadeit!OneSunday,Nicholas,ateenager,wentskiingatSugarloafMountainintheearlyafternoon,whenhewasplanningtogohome,afiercesnowstormsweptintothetoseefar,heaccidentallyturnedofftheheknewit,Nicholaswaslost,allalone!Hedidn'thavefood,water,aphone,orotherwasgettingcolderbytheminute.Nicholashadnoideawherehetriednottothoughtaboutallofthesurvivalshowshehadwatchedonwastimetoputthetipshehadlearnedtouse.Hedecidedtostopwasabetterchanceofsomeonefindinghimifhestayedfirstthinghedidwastofindshelterfromthefreezingwindandhedidn't,hisbodytemperaturewouldgetverylow,whichcouldquicklykillhim.Usinghisskis,Nicholasbuiltasnowgatheredahugemassofsnowanddugoutaholeinthehepiledbranchesontopofhimself,likeablanket,tostayaswarmashecould.Bythatevening,Nicholaswasreallyatesnowanddrankwaterfromanearbystreamsothathisbodywouldn'tlosetoomuchknowinghowmuchlongerhecouldlast,Nicholasdidtheonlythinghecould—hehuddled(蜷缩)inhiscaveandslept.Thenextday,Nicholaswentouttolookforhelp,buthecouldn'tfindfollowedhistracksandreturnedtothesnowcave,becausewithoutshelter,hecoulddiethatTuesday,Nicholaswentoutagaintofindhadwalkedforaboutamilewhenavolunteersearcherfoundtwodaysstuckinthesnow,Nicholaswassaved.NicholasmightnothavesurvivedthissnowstormhaditnotbeenforhadoftenwatchedGrylls'survivalshowMan'swherehelearnedthetipsthatsavedhiseachepisode(一期节目)ofMan,Gryllsisabandonedinawildareaandhastofindhiswayout.WhenGryllsheardaboutNicholas'amazingdeeds,hewassuperimpressedthatNicholashadmadeitsinceheknewbetterthananyonehowhardNicholashadtoworktostayalive.【语篇解读】本文是一篇记叙文,讲述了尼古拉斯在一次滑雪时迷路,利用自己在电视里学到的求生技能成功获救的故事。1.WhathappenedtoNicholasoneSundayafternoon?A.Hegotlost. B.Hebrokehisskis.C.Hehurthiseyes. D.Hecaughtacold.解析:细节理解题。根据文章第一段第四句话“Beforeheknewit,Nicholaswaslost,allalone!”可知,一个周日的下午尼古拉斯迷路了,故答案为A项。答案:A2.HowdidNicholaskeephimselfwarm?A.Hefoundashelter.B.Helightedsomebranches.C.Hekeptonskiing.D.Hebuiltasnowcave.解析:细节理解题。根据第四段内容可知,尼古拉斯挖了一个雪洞来保暖,故答案为D项。答案:D3.OnTuesday,Nicholas________.A.returnedtohissheltersafelyB.wassavedbyasearcherC.gotstuckinthesnowD.stayedwherehewas解析:细节理解题。根据第六段第四句话“Hehadwalkedforaboutamilewhenavolunteersearcherfoundhim.”可知,是一个搜寻者救了尼古拉斯,故答案为B项。答案:B4.NicholasleftGryllsaverydeepimpressionbecausehe_____.A.didtherightthingsinthedangeroussituationB.watchedGrylls'TVprogrammeregularlyC.createdsometipsforsurvivalD.wasveryhard-working解析:推理判断题。根据文章最后一段,尤其是“howhardNicholashadtoworktostayalive”可知应选A。答案:AⅣ.七选五根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。TVisnotonlyaconvenientandcheapserviceofentertainment,butalsoasplendidmassmediumofonlyhavetopayoncetobuytheTVset,thentheycansitathomeenjoyingtheitemsonTVkeepsuswellinformedaboutthecurrenteventsathomeandabroadandthelatestdevelopmentinscienceandmostdistantcountriesandthestrangestcustomsarebroughtrightintoourTVeverythingismuchmorelivingandmuchmoreSomepeopleevensaythatlifewithouttelevisionisnotworthliving.__3__TheythinktheTVviewersneeddoviewerdoesnotevenhavetousehislegsifhehasaremotepeoplearegluedtoseatstolookatthemovementsonAsaresult,TVistakinguptoomuchofaperson'slifeandmakinghimlazy,nottomentionitsharmfulinfluenceuponhim,suchastheitemsofviolenceandpornographyontelevisioninsomecountries.Onthewhole,therearemoreadvantagesthandisadvantagesintheuseofButwemustrealizethattelevisioninitselfisneithergoodnorvaluetopeopleandsocietydependsonhowwelookatit.A.AlargenumberofTVsetsareproducedeveryyear.B.Alltheyhavetodoistopushabuttonorturnaknob,andtheycanseeplays,films,operasandshowsofeverykind.C.SomepeopleargueagainstTV.D.YetdifferentpeoplemayhavedifferentattitudestowardTV.E.Theybecomesodependentonitspicturesthatitbeginstocontroltheirlives.F.Asamatteroffact,ithasbecomesomuchapartofhumanlifethatamodernworldwithouttelevisionisunimaginable.G.Mostpeoplearecouchpotatoes.答案:Ⅴ.完形填空阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项。AwelcomegiftDarioandhismotherlovedtheirnewlivingroomwaslargeenoughfortheirnight,thetwoofthem__1__sidebysideattheplayedjazzmusictocelebratetheirnewloud__2__filledtheroomandmadethemfeelveryhappy.Thenextmorning,__3__,theirhappinesshadlefta__4__undertheirdoorduringtheoftheirneighbourshadwrittentocomplain(抱怨)aboutthesoundofthe'smotheraskedthebuildingsuperintendent(管理员)ifheknewanythingabouthesaidthattheywereall__5__peopleandhecouldn'timagineanyofthemhaddonethatmorning,Dariosuggestedthattheywritealettertotheir__6__andapologizefortheirplaying.“Maybewecouldgoand__7__everyoneinperson,”hismothersaid.“Whatifweinvitedthemtocomeherefora__8__instead?”Darioasked.Theybothlovedthe__9__.Overthenextfewdays,theysentoutinvitationsandprepareddesserts__10__theirdecoratedtheapartmentwithstreamers(彩带)andpartylights.Finally,thedayoftheparty__11__.Someguestsbroughtbroughtevenbroughtdessertsto__12__.Onewoman,MrsGilbert,__13__Dario'smotherwithabookofpianomusicbyChopin.“Iheardyouplayingtheothernight,”shesaid.“Thesoundswokemeoutof__14__thatyoumightplaylikethiseveryIwroteashorthopeyoudon'tthinkIdislikedtheplaying.”Dario'smothersmiledatMrsGilbert.“Ithinkmaybewe__15__youanapology,”shesaid.“Ididn't__16__howlateitwaswhenwewereweshouldplaysomequietermusicatnight.”“Youplay,youplay!”MrsGilbertsaid.“Ilikewhatyouplay!Justnotsoloudatnight.”Shepointedtothebookshehadgiventhem.“Thesesongsarenotsuch__17__music.”“Thesesongsarebeautifulmusic,”Dario'smothersaid.“Wewillbe__18__toplaythemintheevening.”“Andwewon'tplay
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