人教新課標版選修八Unit2CloningUsingLanguageThereturnofDinosaurs?霸王龍

劍龍

雷龍

翼龍

Lookatthefollowingpicturesandthinkwhichfilmtheyarefrom.HaveyoueverseenthefilmJurassicPark?Whydopeoplelikethisfilm?Whatanimalsdoyouseeinthefilm?Aretheyreal?2.Doyoulikedinosaurs?Canyouseetheminourreallife?Why?3.Doyouthinkitispossibletoclonedinosaurs?Why?Scientistsarestillexperimentingwithcloningmammalsbecausetheythinkitcanmakemoney.Theanimalsthathavedisappearedfromtheearth,likedinosaurs,canbebroughtbacktolifethroughcloning.Ifwecancloneanyextinctanimals,weshouldletthemliveinazoo.FFFTrueorFalse1.Thewriterofthetext_____.

A.isexcitedbythepossibilityofcloningfierceandextinctanimals

B.believesthatextinctanimalscanbebroughtbacktolifebycloning

C.thinksitimpossibleorunsuitabletocloneextinctanimalslikedinosaurs

D.dreamsofdinosaursreturningtotheearthChoosethebestanswer.

C2.ThefilmJurassicParkispopularbecause_______.

A.peopleareinterestedinthesubjectofcloning

B.alltheactorsaredinosaurs

C.itwasdirectedbyascientistwhoclonesdinosaurs

D.itprovesveryinterestingA

3.ThereasonswhyagroupofclonedanimalsalldieofthesameillnessdoNOTinclude____.A.theyhavethesamearrangementofgenes

B.thereisn’tenoughdiversityinthegroupforittoovercomeillnesses

C.theillnessisanewone

D.theirarrangementofgenescannotresistthatnewdiseaseC

4.Wecaninferfromthetextthat____.

A.scientistsareexperimentingtoclonedinosaurs

B.dinosaurswillneverreturntotheearthC.clonedanimalswillonlyliveinthezooD.theDNAofdinosaurscanonlysurvive10000yearsB

Givesomereasonswhyitiseitherimpossibleorunsuitabletocloneextinctanimals.Reason1:Reason2:Reason3:YouneedperfectDNA.Thereisnotenoughdiversityforclonedanimalstoovercomenewdiseases.Itwouldbeunfairtocloneanyextinctanimalsiftheywouldhavetoliveinazoo.Readthetextandanswerthequestions.Whyshould’tyoucloneanextinctanimalunlessthereisenoughdiversityinthegroup?2.Whyisitwrongtocloneanextinctanimalifitwouldliveinazoo?3.Whycan’tyouclonetheDNAofanimalsthathavebeenextinctlongerthan10,000

years?Whyshould’tyoucloneanextinctanimalunlessthereisenoughdiversityinthegroup?Therewillnotbeenoughgeneticvariationinthegrouptobeabletoresistnewillnesses.2.Whyisitwrongtocloneanextinctanimalifitwouldliveinazoo?Itisnotagoodideatocloneananimalthatwouldliveinazoobecauseitisnotasuitablehabitattodevelopandincreaseitsnumbers.Thezooisnotanaturalenvironmentforawildanimal.3.Whycan’tyouclonetheDNAofanimalsthathavebeenextinctlongerthan10,000years?TheDNAofanimalsmorethan10,000yearsoldisnotsuitableforcloning,foritcan’tsurvivesolong.1.ThepopularityofthefilmJurassicPark,inwhichascientistclonesseveraldifferentkindsofextinctdinosaurs,proveshowtheideastruckamixtureoffearandexcitementintopeople’sheart.

電影侏羅紀公園的受歡迎證實了普通人對這一話題是多么感興趣,在該電影中一位科學家克隆了幾種不同的絕種恐龍。本句是一個復合句,inwhich引導非限制性定語從句,修飾“thefilm”;how引導賓語從句,作prove的賓語。Language

Pointspopular

adj.

popularity

n.strike

v.打;撞擊;罷工strike…intoone’sheart使……刻骨銘心Hestruckaknifeintothetraitor’sheart.他將刀戳入賣國賊的心臟。

他母親的離世給他帶來刻骨銘心的悲傷。Hismother’sdeathstrucksorrowintohisheart.

3.bringbacktolife使復生bringbacktolife與cometolife沒人能讓他復活。Nobodycanbringhimbacktolife.鮮花可使沉悶的房間恢復生機。Flowerscanbringadullroombacktolife.他一晚上都垂頭喪氣，但他女朋友以來他就活躍起來了。Hewasdownalltheevening,butassoonashisgirlfriendcameinhecametolife.Theplaycametolifeunderhisdirection.傷兵又蘇醒過來。Thewoundedsoldiercametolifeagain.

4.Alleffortsofcloningananimalwillbeinvain.invain徒勞，無效

我盡我所能去阻止他，但沒用。InvainItriedtokeepbackmytears.我擔心所有的努力都是徒勞。Iamafraidthatallmyeffortswillbeinvain.5.butotherswillsurviveandpassontheabilitytoresistthatdiseasetothenextgeneration.

passon…to…傳遞;留給Wouldyoupass

on

thebooktothenextperson?把書傳給下一個人好嗎?2)resist

vt.

抵抗，反抗；抗拒Thenationwasunabletoresisttheinvasion.該國無力抵抗侵略。6.Basedonwhatweknownow,youcannotcloneanimalsthathavebeenextinctlongerthan10,000years.就我們現在所知,你不可能克隆那些已經絕種了一萬年以上的動物。

Basedonwhatweknownow是過去分詞短語作狀語,其邏輯主語一般和句子的主語相一致。_____byagreaterdemandforvegetables,farmershavebuiltmoregreenhouses.(07,浙江)

A.Driven

B.Beingdriven

C.Todrive

D.Havingdriven解析:答案A。題意為“由于受到更大的蔬菜量需求的推動,農民修建了更多的溫室”。根據by,應用被動,排除C和D。根據后邊的完成時態,驅動力已經有了,不是正在推動,故選A。AFillintheblankswiththewordsgiven.1.Shewas___________byherhusband’sdeath.2.Myunclecomestohavedinnerwithus________________.3.Hehasbeenworkingsohardathislessons,sohe____________passtheexamthistime.4.Finallyhisefforts__________.5.Allofthemwerestrongly_____________theproject.castdownfrom

time

to

timecastdownpayoffinfavouroffromtimetotimebeboundtois

bound

topaid

offin

favour

ofIscloningcruel?ListenandseewhetheryouagreewithXiaoQingorRachel.ListeningandSpeaking1Readthesestatementsbeforelistening.Tickthosethatyouhear.

□1.Cloningwillbringdeadpetstolife.□2.Therewere627experimentsbeforeDollywassuccessfullycloned.□3.Cloningmayhelpcureseriousillnesses.□4.It’sadeadend.□5.Dollythesheepwas“middle-aged”whenshewasborn.□6.Soyourgrandmotherwouldbeabletostartherlifealloveragainandlivemuchlonger.

√√√√2Listentothetapeagainandthenfillinthechart.Mary’sideasaboutcloningcruel

to

animalsmakes

themdounnaturalthingsitisa“deadend”weakens

the

speciesXiaoQing’sideasaboutcloningscientistsaredoingawonderfuljobmaybringpeople’sfavouritepetsbacktolifeproblemsbecauseitisanewscienceitmayprovidecuresforseriousillnessesListeningtaskonPage57.2Listentothetapeforthefirsttime.Keys:1O2O3F4O5F6O7F8O9O10F3Listentothetapeforthesecondtime.Keys:1.HewantstomakehismotherhappybykeepingherpetdogaliveforeverandhealsowantstotakethechancetoAmericaforholidaywhenthedogisbeingclonedthere.2.Frankdoesn’tagreewithcloningbecausehethinkscloningisveryexpensiveandithasmanymoralproblems.3.Billy’smotherisinfavourofcloning.SheissavingmoneytogotoAmericatohaveherpetdogclonedjustbeforeitdies.4.Variousanswersarepossible.ArgumentsforcloningpetsArgumentsagainstcloningpets1.Itisveryexpensivetocloneapet.2.Itisselfishbecauseitisanexcuseforaholiday.3.Itisselfishbecauseitmeansthestudentcanstudyabroadwithouthismothercomplaining.1.Itismoraltomakemymotherhappy.2.Itcanprovideanexcuseforaholidayabroad.3.MymotherwillneedherpetwhenIamaway.

Listentothetapeagain.Finishthefollowingchart.Workbook

ReadingtaskADEBATE“Medicalcloning”isamedicalcureusingcellsfromanembryotocureveryseriousillnesses.Theideaistotakehealthycellsfromapatientandcreatecopiesthatcanbeusedtorepairdamagedordiseasedpartsofthepatient.Intheory,medicalcloningwillbeveryusefulforcuringpatientsbutalargeamountofresearchisorganizedbythegovernmentandisstrictlycontrolled.BackgroundTheresearchcanCreateclonedhumancells(butnotolderthan14days)BeusedtobetterunderstandearlyhumandevelopmentBeusedtohelpwithgeneticdiseasesofoldageBeusedfortransplantsforincurableconditionswithouttheproblemoftransplantrejectionWhilehavingadebate,severalthings

toremember:Thepersonwhoisleadingtheteamthatsupportsthetopicwillspeakfirst.Thepersonwhoisleadingtheteamthatdisagreeswiththetopicwillspeaknext.Thenotherpeoplecantaketurnstospeakinafreediscussion.Everyonemustlistenwhenotherpeoplearespeaking.Noonecanberudetootherspeakersandmustalwaystalktothechairman.Thechairpersonwillstopanyonewhorepeatsargumentsthathavealreadybeenmade.Anyonecanreplytoanotherperson’sargument.TeamWhat’stheirargument?Tworeasonsfor/againstmedicalcloningAFormedicalcloningBAgainstmedicalcloningReadtheargumentsaboveandfillinthechart.(Page59)TeamA:tworeasonsformedicalcloningTocureseriousillnessesthathavenocureatthemoment2.tohelppeoplewhohavediseaseswhichmakethemgraduallylosetheirabilitytomoveeasilyortothinkTeamB:tworeasonsagainstmedicalcloningTomakethestemcellsthatwillcureanillnessofoneperson,youhavetoKillanotherhumanbeing.2.Scientistsareworriedabouttheefficiencyofthesystem.LanguagePointsItisasortofcompetitionwithachairperson

inchargetomakesureoffairplay.它是一種競賽,由主持人負責確保競爭的公平。incharge:

主管,領導,負責,處于領導或管理的職位thesecurityagentinchargeattheairport.

機場保安部的負責人2.Afterthat,theissuecanbediscussedbyanyoneintheroomoneatatime.然后,房間里的每個人都可以對問題進行討論，每次只能有一人發言。

ata

time

依次,逐一,每次Don’ttrytodoeverythingatonce,takeitabitatatime.不要什么事情都一塊干,要一次做一點。Takethepillstwoatatime.每次服2粒。

at

one

time

一度,從前AtonetimeIusedtogoskiingeverywinter.我有一段時間每到冬天就去滑雪。Atonetimetheymetfrequently.一度他們經常見面。3.Ifyoubelievethathumanlifecomesintoexistenceassoonasthecellsstarttogrow,thenthepracticeofremovinghumanstemcellsfromanembryokillsit.如果你認為人的生命從細胞開始生長的時候就開始存在的話,那么從胚胎中提取人類干細胞的行為就是殺人。寫作任務:Giveyouropiniononcloning寫作要求:注意記敘文的表達方式要寫明白自己的觀點,層次要分明。寫作建議:本單元主要講述了“cloning”存在的問題以及人們的態度,文中可適當就此進行發揮。WritingWriting–IDiscussion(5ms)Discussingroupsandwritedow