Unit2CloningUsingLanguage第一頁第二頁，共64頁。第二頁第三頁，共64頁。ThereturnofDinosaurs第三頁第四頁，共64頁。霸王龍tyrannosaurus劍龍stegosaurs雷龍brontosaurus翼龍pterodactyl第四頁第五頁，共64頁。Lookatthefollowingpicturesandthinkwhichfilmtheyarefrom.第五頁第六頁，共64頁。第六頁第七頁，共64頁。第七頁第八頁，共64頁。第八頁第九頁，共64頁。第九頁第十頁，共64頁。

HaveyoueverseenthefilmJurassicPark?Whydopeoplelikethisfilm?Whatanimalsdoyouseeinthefilm?Aretheyreal?第十頁第十一頁，共64頁。2.Doyoulikedinosaurs?Canyouseetheminourreallife?Why?3.Doyouthinkitispossibletoclonedinosaurs?Ifnot,why?Ifyes,doyouthinkthat’sgoodforhumanbeings?Why?第十一頁第十二頁，共64頁。Arrangeaccordingtotime.5.researchusingtheembryosofmice4.firstexperimentalclonesofcows8.firstexperimentalclonesofmice7.workontheembryosofsheepandmice2.China’sfirstclonedtwincalves3.cloningoffrogs6.firstcloneofamammal1.cowgavebirthtoabison35784612Skimming第十二頁第十三頁，共64頁。Scientistsarestillexperimentingwithcloningmammalsbecausetheythinkitcanmakemoney.Theanimalsthathavedisappearedfromtheearth,likedinosaurs,canbebroughtbacktolifethroughcloning.Ifwecancloneanyextinctanimals,weshouldletthemliveinazoo.FFFTrueorFalse第十三頁第十四頁，共64頁。1.Thewriterofthetext_____.A.isexcitedbythepossibilityofcloningfierceandextinctanimalsB.believesthatextinctanimalscanbebroughtbacktolifebycloningC.thinksitimpossibleorunsuitabletocloneextinctanimalslikedinosaursD.dreamsofdinosaursreturningtotheearthChoosethebestanswer.

C第十四頁第十五頁，共64頁。2.ThefilmJurassicParkispopularbecause_______.A.peopleareinterestedinthesubjectofcloningB.alltheactorsaredinosaursC.itwasdirectedbyascientistwhoclonesdinosaursD.itprovesveryinterestingA

第十五頁第十六頁，共64頁。3.Whichofthefollowingistrue?A.Micewereclonedin1981.B.Dollythesheepwasthefirstclonedanimal.C.Thenameoftheclonedcowis“Bison”.D.Chinawassuccessfulincloningmammals.

D

第十六頁第十七頁，共64頁。4.ThereasonswhyagroupofclonedanimalsalldieofthesameillnessdoNOTinclude____.A.theyhavethesamearrangementofgenesB.thereisn’tenoughdiversityinthegroupforittoovercomeillnessesC.theillnessisanewoneD.theirarrangementofgenescannotresistthatnewdiseaseC

第十七頁第十八頁，共64頁。5.Wecaninferfromthetextthat____.A.scientistsareexperimentingtoclonedinosaursB.dinosaurswillneverreturntotheearthC.clonedanimalswillonlyliveinthezooD.theDNAofdinosaurscanonlysurvive10000yearsB

第十八頁第十九頁，共64頁。Readthetextandanswerthequestions.Whyshouldn’tyoucloneanextinctanimalunlessthereisenoughdiversityinthegroup?Therewillnotbeenoughgeneticvariationinthegrouptobeabletoresistnewillnesses.第十九頁第二十頁，共64頁。2.Whyisitwrongtocloneanextinctanimalifitwouldliveinazoo?

Itisnotagoodideatocloneananimalthatwouldliveinazoobecauseitisnotasuitablehabitattodevelopandincreaseitsnumbers.Thezooisnotanaturalenvironmentforawildanimal.第二十頁第二十一頁，共64頁。3.Whycan’tyouclonetheDNAofanimalsthathavebeenextinctlongerthan10,000years?TheDNAofanimalsmorethan10,000yearsoldisnotsuitableforcloning,foritcan’tsurvivesolong.第二十一頁第二十二頁，共64頁。Givesomereasonswhyitiseitherimpossibleorunsuitabletocloneextinctanimals.Reason1:Reason2:Reason3:YouneedperfectDNA.Thereisnotenoughdiversityforclonedanimalstoovercomenewdiseases.Itwouldbeunfairtocloneanyextinctanimalsiftheywouldhavetoliveinazoo.第二十二頁第二十三頁，共64頁。AdvantageofdiversityDisadvantageofdiversityDiversityinagroupofclonedanimalsIfthereisanewillness,someoftheseanimalsmaydie,butotherswillsurviveandpassedontheabilitytoresistthatdiseasetotheirchildren.Theywouldallhavethesamearrangementofgenesandsotheymightalldieofthesamedisease.第二十三頁第二十四頁，共64頁。PeopleinterestedinNotonlyfilmmakersbutalso_________________.________foritsimpossibility

PerfectDNAisneeded.Thereisnotenough________inthegroup.A(n)______________wouldbeneededfortheclonedextinctanimals.ordinarypeopleReasonsdiversitysuitable

habitat__________Thechanceofdinosaursreturningtotheearthis______________.Conclusionmerelya

dreamCarefulReading第二十四頁第二十五頁，共64頁。Choosesynonyms1.Itproveshowtheidea

struck

amixtureoffearandexcitementinto

people’s

hearts.A.HaveonthebrainB.ConfusedC.DrovedpeoplecrazyD.Scared2.From

time

to

timepeoplesuggestthatextinctanimals…

A.TherewasatimewhenB.OccasionallyC.AllthetimeD.EachtimeA

B

第二十五頁第二十六頁，共64頁。3.Peoplesuggestthatdinosaurs,canpossiblybebrought

back

tolife.A.KeptupB.resistC.liveonD.relived4.Theinitial

requirementisthatyouneedperfectDNA.A.MostthankfulB.mostpressingC.mostdifficultD.mostneededD

D

第二十六頁第二十七頁，共64頁。5.Alleffortsofcloningananimalwillbein

vain

ifthereisnotenoughdiversity.A.gotowasteB.uselessC.helplessD.meaningless6.Otherswillpassontheabilitytoresistthatdisease.A.opposeB.slideC.hireD.indicateB

A

第二十七頁第二十八頁，共64頁。7.Thechanceofdinosaurseverreturningtotheearthismerelyadream.A.onlyB.surelyC.abruptlyD.miserablyA

第二十八頁第二十九頁，共64頁。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

Points第二十九頁第三十頁，共64頁。Manypeoplewhohadseenthefilmwereafraidtogototheforestwhentheyrememberedthescenes_____peoplewereeatenbythetiger.(05,廣東)

A.inwhich

B.bywhich

C.which

D.that解析:答案A。題意為“很多看過這部電影的人,當回想到人被老虎吃掉的情景時,就不敢去森林了”。本題考查“介詞+關系代詞”引導的定語從句。“peoplewereeatenbythetiger”是定語從句,先行詞thescenes在定語從句中作地點狀語,表示“在這種場景中”所以選A。A第三十頁第三十一頁，共64頁。popular

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。2.Do/make/carryout/performanexperimenton/in/with…

做……實驗，對……做實驗第三十一頁第三十二頁，共64頁。3.fromtimetotime有時；偶爾；時常4.bringbacktolife使復生區別:bringbacktolife與cometolifebringbacktolife

是從某個事情中,給喚回到現實生活中,比如,從睡夢中醒來,有點恍然大悟的意思,或者是從生死關頭逃離出來幸好得以保命之類;而cometolife指出生,有生以來。第三十二頁第三十三頁，共64頁。5.

but

others

will

survive

and

passon

the

abilitytoresistthatdiseaseto

the

next

generation.

passon…to…傳遞;留給Wouldyoupassitontothenextperson?把它傳給下一個人好嗎?2)resist

vt.

抵抗，反抗；抗拒Thenationwasunabletoresisttheinvasion.該國無力抵抗侵略。第三十三頁第三十四頁，共64頁。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。第三十四頁第三十五頁，共64頁。_____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。A第三十五頁第三十六頁，共64頁。Fillintheblankswiththewordsgiven.1.Shewas___________byherhusband’sdeath.2.Myunclecomestohavedinnerwithus________________.3.Hehasbeenworkingsohardathislessons,sohe____________passtheexamthistime.4.Finallyhisefforts__________.5.Allofthemwerestrongly_____________theproject.castdownfrom

time

to

timecastdownpayoffinfavouroffromtimetotimebeboundtois

bound

topaid

offin

favour

of第三十六頁第三十七頁，共64頁。Iscloningcruel?ListenandseewhetheryouagreewithXiaoQingorRachel.ListeningandSpeaking第三十七頁第三十八頁，共64頁。1Readthesestatementsbeforelistening.Tickthosethatyouhear.

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

√√√√第三十八頁第三十九頁，共64頁。2Listentothetapeagainandthenfillinthechart.Mary’sideasaboutcloningcruel

to

animalsmakes

themdounnaturalthingsitisa“deadend”weakens

the

species第三十九頁第四十頁，共64頁。XiaoQing’sideasaboutcloningscientistsaredoingawonderfuljobmaybringpeople’sfavouritepetsbacktolifeproblemsbecauseitisanewscienceitmayprovidecuresforseriousillnesses第四十頁第四十一頁，共64頁。ListeningtaskonPage57.2Listentothetapeforthefirsttime.Keys:1O2O3F4O5F6O7F8O9O10F第四十一頁第四十二頁，共64頁。3Listentothetapeforthesecondtime.Keys:1.HewantstomakehismotherhappybykeepingherpetdogaliveforeverandhealsowantstotakethechancetoAmericaforholidaywhenthedogisbeingclonedthere.2.Frankdoesn’tagreewithcloningbecausehethinkscloningisveryexpensiveandithasmanymoralproblems.第四十二頁第四十三頁，共64頁。3.Billy’smotherisinfavourofcloning.SheissavingmoneytogotoAmericatohaveherpetdogclonedjustbeforeitdies.4.Variousanswersarepossible.第四十三頁第四十四頁，共64頁。ArgumentsforcloningpetsArgumentsagainstcloningpets1.Itisveryexpensivetocloneapet.2.Itisselfishbecauseitisanexcuseforaholiday.3.Itisselfishbecauseitmeansthestudentcanstudyabroadwithouthismothercomplaining.1.Itismoraltomakemymotherhappy.2.Itcanprovideanexcuseforaholidayabroad.3.MymotherwillneedherpetwhenIamaway.

Listentothetapeagain.Finishthefollowingchart.第四十四頁第四十五頁，共64頁。Workbook

ReadingtaskADEBATE第四十五頁第四十六頁，共64頁。“Medicalcloning”isamedicalcureusingcellsfromanembryotocureveryseriousillnesses.Theideaistotakehealthycellsfromapatientandcreatecopiesthatcanbeusedtorepairdamagedordiseasedpartsofthepatient.Intheory,medicalcloningwillbeveryusefulforcuringpatientsbutalargeamountofresearchisorganizedbythegovernmentandisstrictlycontrolled.Background第四十六頁第四十七頁，共64頁。TheresearchcanCreateclonedhumancells(butnotolderthan14days)BeusedtobetterunderstandearlyhumandevelopmentBeusedtohelpwithgeneticdiseasesofoldageBeusedfortransplantsforincurableconditionswithouttheproblemoftransplantrejection第四十七頁第四十八頁，共64頁。第四十八頁第四十九頁，共64頁。第四十九頁第五十頁，共64頁。Whilehavingadebate,severalthings

toremember:

Thepersonwhoisleadingtheteamthatsupportsthetopicwillspeakfirst.Thepersonwhoisleadingtheteamthatdisagreeswiththetopicwillspeaknext.Thenotherpeoplecantaketurnstospeakinafreediscussion.Everyonemustlistenwhenotherpeoplearespeaking.第五十頁第五十一頁，共64頁。

Noonecanberudetootherspeakersandmustalwaystalktothechairman.Thechairpersonwillstopanyonewhorepeatsargumentsthathavealreadybeenmade.Anyonecanreplytoanotherperson’sargument.第五十一頁第五十二頁，共64頁。TeamWhat’stheirargument?Tworeasonsfor/againstmedicalcloningAFormedicalcloningBAgainstmedicalcloningReadtheargumentsaboveandfillinthechart.(Page59)第五十二頁第五十三頁，共64頁。TeamA:tworeasonsformedicalcloningTocureseriousillnessesthathavenocureatthemoment2.tohelppeoplewhohavediseaseswhichmakethemgraduallylosetheirabilitytomoveeasilyortothinkTeamB:tworeasonsagainstmedicalcloningTomakethestemcellsthatwillcureanillnessofoneperson,youhavetoKillanotherhumanbeing.2.Scientistsareworriedabouttheefficiencyofthesystem.第五十三頁第五十四頁，共64頁。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第五十四頁第五十五頁，共64頁。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。第五十五頁第五十六頁，共64頁。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。第五十六頁第五十七頁，共64