【優(yōu)質(zhì)課件】人教版高中英語選修8 Unit 2《Cloning》Using language優(yōu)秀課件

UsingLanguageUsingLanguageWordspreviewresistmerelydecorationunablezebravt.抵抗；對(duì)抗

adv.僅；只；不過

n.裝飾

adj.不能的；不會(huì)的

n.斑馬Wordspreviewresistvt.抵抗；對(duì)抗argumentaloudreasonableobtainn.論據(jù)；論點(diǎn)；爭(zhēng)論adv.大聲地；出聲地adj.合情理的；講道理的；公道的vt.獲得；得到Wordspreviewargumentn.論據(jù)；論點(diǎn)；爭(zhēng)論WordspreExpressionspreviewfromtimetotimebringbacktolifepayoff不時(shí)；偶爾使復(fù)生取得好結(jié)果；取得成功；賠清Expressionspreviewfromtime克隆的進(jìn)展

蛙:1962年，未成功

綿羊:1996年，多利（Dolly）

獼猴:2000年1月，Tetra，雌性

豬:2000年3月，5只蘇格蘭PPL小豬牛:2001年，Alpha和Beta，雄性貓:

2001年底，CopyCat(CC),雌性克隆的進(jìn)展蛙:1962年，未成功

綿羊:1996年，小鼠:2002年

兔:2003年3-4月分別在法國和朝鮮獨(dú)立地實(shí)現(xiàn)；

騾:2003年5月，愛達(dá)荷Gem，雄性；

6月，猶他先鋒，雄性

鹿:2003年，Dewey

馬:2003年，Prometea，雌性

狗:2005年，韓國首爾大學(xué)，史納比小鼠:2002年

兔:2003年3-4月分別在法國和朝Pleaseenjoysomepicturesaboutdinosaurs.Pleaseenjoysome霸王龍霸王龍劍龍stegosaurs劍龍stegosaurs角龍ceratopsids角龍ceratopsids雷龍brontosaurus雷龍brontosaurus翼龍pterodactyl翼龍pterodactyl

ReadingTHERETURNOFTHEDINOSAURS?Reading1.Thewriterofthetext_____A.isexcitedbythepossibilityof cloningfierceandextinctanimalsB.believesthatextinctanimalscan bebroughtbacktolifebycloningReadthepassageandthenchoosethecorrectanswerstothebelowquestions.1.Thewriterofthetext_____C.thinksitimpossibleorunsuitabletocloneextinctanimalslikedinosaursD.dreamsofdinosaursreturningtotheearthC.thinksitimpossibleoruns2.ThefilmJurassicParkispopularbecause_____.peopleareinterestedinthesubjectofcloningB.alltheactorsaredinosaursC.itwasdirectedbyascientistwhoclonesdinosaursD.itprovesveryinteresting2.ThefilmJurassicParkisp3.Whichofthefollowingistrue?____Micewereclonedin1981.B.Dollythesheepwasthefirstclonedanimal.C.Thenameoftheclonedcowis“Bison”D.Chinawassuccessfulincloningmammals.3.Whichofthefollowingistr4.ThereasonswhyagroupofclonedanimalsalldieofthesameillnessdoNOTinclude____.A.theyhavethesamearrangement ofgenesB.thereisn’tenoughdiversityinthe groupforittoovercomeillnessesC.theillnessisanewoneD.theirarrangementofgenescannotresistthatnewdisease4.Thereasonswhyagroupof5.Wecaninferfromthetextthat____A.scientistsareexperimentingtoclonedinosaursB.dinosaurswillneverreturntotheearthC.clonedanimalswillonlyliveinthezooD.theDNAofdinosaurscanonlysurvive10000year5.Wecaninferfromthetext

Readthepassageagainandanswerthequestions.1.Whyshouldn'tyoucloneanextinctanimalunlessthereisenoughdiversityinthegroup?

Therewillnotbeenoughgeneticvariationinthegrouptobeabletoresistnewillnesses.Readthepassageagainand2.Whyisitwrongtocloneanextinctanimalifitwouldhavetoliveinazoo?

Itisnotagoodideatocloneananimalthatwouldhavetoliveinazoobecauseitisnotasuitablehabitattodevelopandincreaseitsnumbers.Thezooisnotanaturalenvironmentforawildanimal.2.Whyisitwrongtoclonean3.Whycan'tyouclonetheDNAofanimalsthathavebeenextinctlongerthan10,000years?

TheDNAofanimalsmorethan10,000yearsoldisnotsuitableforcloning,foritcan'tsurvivesolong.3.Whycan'tyouclonetheDNADiscussion

Maythebestanimal

win!Nowinpairsdiscusswhichextinctanimalsdescribedbelowareworthrestoringbymeansofcloning.Chooseoneandusetheinformationtohelpyouarguewhythisanimalshouldberestoredtotheearth.DiscussionAuroch(1627)Largewildcattle;longhornsandhair;hairgoodformakingintoclothes;horncanbeusedfordecoration;needgrasslands.Auroch(1627)LargewildcattleDodobird(1755)Unabletofly;friendlyandnotharmful;largeeggsandtastymeatthatcouldbedevelopedforfood;needshotclimate.Dodobird(1755)Unabletofly;GreatAuk(1844)Verylargebirdthatcannotfly；livesbyandinthesea;feathersdonotabsorbwater;usefulforprotectingclothesfromwater.GreatAuk(1844)VerylargebirQuagga(1883)Skinlookslikeazebra;canbeusedfordecoration;meatverytasty;needswarmclimate.Quagga(1883)SkinlookslikeaLanguagepointsLanguagepoints1.Fromtimetotimepeoplesuggestthattheanimalsthathavedisappearedfromtheearth,likedinosaurs,canpossiblybebroughtbacktolifethroughcloning.人們時(shí)常設(shè)想從地球上消失的動(dòng)物,例如恐龍,有可能通過克隆技術(shù)使它們復(fù)活。1.Fromtimetotimepeoplesfromtimetotime有時(shí),間或,偶爾,=occasionally,nowandthen.Hecomesherefromtimetotime.

他時(shí)常到這兒來。

Thecarmanufacturerschangedthecarmodelsfromtimetotime.

汽車制造商不時(shí)地改變車的型號(hào)。fromtimetotime有時(shí),間或,偶爾,將下列句子譯成英語(1)他有時(shí)變得很沒有道理。

____________________________________________(2)他們有時(shí)吵架。

____________________________HebecomesquiteunreasonablefromTheyquarrelfromtimetotime.timeto

time.將下列句子譯成英語Hebecomesquiteunrebringbacktolife使復(fù)生Theyusedartificialrespirationtobringtheswimmerbacktolife.

他們用人工呼吸使游泳者蘇醒過來。Anywayhewasdead,wecouldnotbringhimbacktolife.

橫豎他死了，我們不能使他復(fù)生。bringbacktohealth

恢復(fù)健康bringbacktolife使復(fù)生bringb2....butotherswillsurviveandpassontheabilitytoresistthatdiseasetotheirchildren.

其他的將存活下來并傳遞給其后代抵抗這種病的能力。2....butotherswillsurviveresist作及物動(dòng)詞主要有三個(gè)義項(xiàng):

抵抗,對(duì)抗;

抵擋,防止;

(與cannot,couldnot連用)無法抗拒,無法抵擋。resist作及物動(dòng)詞主要有三個(gè)義項(xiàng):Theyresistedtheattack.他們抵抗那次攻擊。Sheresistedbeingcarriedoff.她拒絕被帶走。Shecouldnotresistthetemptation.她無法抗拒那項(xiàng)誘惑。Theyresistedtheattack.1.ThepopularityofthefilmJurassicPark,inwhichascientistclonesseveraldifferentkindsofextinctdinosaurs,proveshowinterestedordinarypeopleareinthesubject.

長(zhǎng)難句分析1.Thepopularityofthefilm

電影《侏羅紀(jì)公園》的歡迎證實(shí)了普通人對(duì)這一話題是多么感興趣,在該電影中一位科學(xué)家克隆了幾種不同的恐龍。

inwhich引導(dǎo)定語從句,how引導(dǎo)賓語從句。電影《侏羅紀(jì)公園》的歡迎證實(shí)了普通人對(duì)這一話2.Itisuselesstocloneananimalifthereisnotenoughdiversityinthegroupforittoovercomeillnesses.該群中如果沒有足夠的多樣性使它克服疾病,克隆動(dòng)物就沒有用。當(dāng)動(dòng)詞不定式、動(dòng)名詞或從句作主語時(shí),通常把它們放在謂語之后,而用it作句子的形式主語。2.Itisuselesstocloneana3.Diversityinagroupmeanshavinganimalswiththeirgenesarrangedindifferentways.群中的多樣性指的是擁有基因排列方式不同的動(dòng)物。

withtheirgenesarrangedindifferentways作定語,indifferentways以不同的方式。3.DiversityinagroupmeansListeningandSpeakingListeningandSpeaking

Iscloningcruel?ListenandseewhetheryouagreewithXiaoQingorMary.1.Readthesestatementsbeforelistening.Tickthosethatyouhear.

①Cloningwillbringdeadpetstolife.②Therewere627experimentsbeforeDollywassuccessfullyclone.Iscloningcruel?Listenan③Cloningmayproducemedicineorevenorgansofahumanbodytocureseriousillnesses.④Dollywas“middle-aged”whenshewasborn.⑤Soyourgrandmotherwouldbeabletostartherlifealloveragainandlivetoanoldage.③Cloningmayproducemedicine2.Listentothetapeagainandthenworkwithapartnertofillinthechart.Mary’sideasaboutcloningXiaoQing’sideasaboutcloning1crueltoanimals1scientistsaredoingawonderfuljob2makesthemdounnaturalthings

2maybringbackextinctanimals3itisa“deadend”3problemsbecauseitisanewscience2.ListentothetapeagainanMary’sideasaboutcloningXiaoQing’sideasaboutcloning4clonebornatageof“mother”4scientistsneedencouragement5weakensthespecies5itmayprovidemedicineforillnessesMary’sideasaboutcloningXiaoListeningTextISCLONINGCRUEL?XiaoQingandMaryBrownarediscussingwhethercloningiscrueltotheanimals.MB:XiaoQing,doyouthinkcloningiscruel?ListeningTextISCLONINGCRUEL

XQ:Whatdoyoumeanbythat?Thescientistsaredoingawonderfuljobandsoontheymaybeabletobringbackextinctanimalsorevenpeople’sfavouritepetsbacktolife.

MB:Yes,Qing,Iknow.Butdoesn’tthatseemstrangetoyou?Isitworthit?Ittook276experimentsbeforeXQ:WhatdoyoumeanbythaDollywassuccessfullycloned.ThinkofallthoselivecellsandeggsthatdiedinorderforDollytobeborn.Idon’tapproveofthat!

XQ:ButMary,bereasonable.Isn’titalwayslikethatwithanewscience?ThisisthewayyoulearntodoDollywassuccessfuthingsbetter.It’sjustthatthisonedealswithlivingthings.

MB:Isupposeso—buttheymaketheanimalsdounnaturalthings.Onepoorcowwasmadetogivebirthtoabison.Whatwasthepoorcreaturetothinkwhenissawitsbaby?thingsbetter.It’XQ:Idon’tquiteunderstandwhysomanypeopleareagainstcloning.Ithinkthescientistsneedalittleencouragement.Theyhavedonesomeamazingthingsandthinkofthebenefits.ProducinganimalsthatareanexactcopyoftheoriginalmayhelpmedicalscienceproduceXQ:Idon’tquiteunderstanmedicinesorevenorgansforseriousillnesses.

MB:Yes,I’veheardallthat.IagreewithitbutIdon’tagreewiththemethods.Idon’tthinkcloningisgoodfortheanimals.

XQ:Whynot?medicinesoreven

MB:Well,Ithinkit’sadeadend.Dollythesheepwas“middle-aged”whenshewasbornbecauseherDNAcamefromamiddle-aged“mother”.Cloningyourgrandmotherwouldmeanthenewbabystartedlifeasanoldlady!MB:Well,Ithinkit’sade

XQ:Areyousure?Ineverthoughtofthat!

MB:Anditalsoweakensthespecies.Clonesmeanthereislessvarietyinthespeciesandsoillnesseswillbecomemorecommonandtheanimalsmaydieout.XQ:Areyousure?Inevert

XQ:Ohdear!AndthatwasjustwhatyouandIweretryingtoavoid.IseeIshallhavetolookatthiswholecloningquestionagain!XQ:Ohdear!Andthatwasj

Whoseideasdoyouagreewith?Getreadytohaveaclassdiscussion.Thinkaboutthereasonsforyourpointofview.Useyourownideasaswellasthoseinthetext.Thesewordsandphrasesonpage18maybeusefulforyouduringthediscussion：DiscussionWhoseideasdoyouagreThat’sagoodidea.Icannotacceptyourargumentbecause…Isupport…because…No,Ican’tagreewith…because…Iagreewith…because….Howcanyoubelievethat?That’sagoodidea.Yourargumenthasconvincedmebecause…Iwouldliketoagreewithyoubut…Idon’tcareforyourideasbecause…No,thatisnotreasonablebecause….That’sagreatidea!Yourideassoundveryencouragingtome.Yourargumenthasconvincedme感謝各位老師！祝：身體健康萬事如意感謝各位老師！祝：UsingLanguageUsingLanguageWordspreviewresistmerelydecorationunablezebravt.抵抗；對(duì)抗

adv.僅；只；不過

n.裝飾

adj.不能的；不會(huì)的

n.斑馬Wordspreviewresistvt.抵抗；對(duì)抗argumentaloudreasonableobtainn.論據(jù)；論點(diǎn)；爭(zhēng)論adv.大聲地；出聲地adj.合情理的；講道理的；公道的vt.獲得；得到Wordspreviewargumentn.論據(jù)；論點(diǎn)；爭(zhēng)論WordspreExpressionspreviewfromtimetotimebringbacktolifepayoff不時(shí)；偶爾使復(fù)生取得好結(jié)果；取得成功；賠清Expressionspreviewfromtime克隆的進(jìn)展

蛙:1962年，未成功

綿羊:1996年，多利（Dolly）

獼猴:2000年1月，Tetra，雌性

豬:2000年3月，5只蘇格蘭PPL小豬牛:2001年，Alpha和Beta，雄性貓:

2001年底，CopyCat(CC),雌性克隆的進(jìn)展蛙:1962年，未成功

綿羊:1996年，小鼠:2002年

兔:2003年3-4月分別在法國和朝鮮獨(dú)立地實(shí)現(xiàn)；

騾:2003年5月，愛達(dá)荷Gem，雄性；

6月，猶他先鋒，雄性

鹿:2003年，Dewey

馬:2003年，Prometea，雌性

狗:2005年，韓國首爾大學(xué)，史納比小鼠:2002年

兔:2003年3-4月分別在法國和朝Pleaseenjoysomepicturesaboutdinosaurs.Pleaseenjoysome霸王龍霸王龍劍龍stegosaurs劍龍stegosaurs角龍ceratopsids角龍ceratopsids雷龍brontosaurus雷龍brontosaurus翼龍pterodactyl翼龍pterodactyl

ReadingTHERETURNOFTHEDINOSAURS?Reading1.Thewriterofthetext_____A.isexcitedbythepossibilityof cloningfierceandextinctanimalsB.believesthatextinctanimalscan bebroughtbacktolifebycloningReadthepassageandthenchoosethecorrectanswerstothebelowquestions.1.Thewriterofthetext_____C.thinksitimpossibleorunsuitabletocloneextinctanimalslikedinosaursD.dreamsofdinosaursreturningtotheearthC.thinksitimpossibleoruns2.ThefilmJurassicParkispopularbecause_____.peopleareinterestedinthesubjectofcloningB.alltheactorsaredinosaursC.itwasdirectedbyascientistwhoclonesdinosaursD.itprovesveryinteresting2.ThefilmJurassicParkisp3.Whichofthefollowingistrue?____Micewereclonedin1981.B.Dollythesheepwasthefirstclonedanimal.C.Thenameoftheclonedcowis“Bison”D.Chinawassuccessfulincloningmammals.3.Whichofthefollowingistr4.ThereasonswhyagroupofclonedanimalsalldieofthesameillnessdoNOTinclude____.A.theyhavethesamearrangement ofgenesB.thereisn’tenoughdiversityinthe groupforittoovercomeillnessesC.theillnessisanewoneD.theirarrangementofgenescannotresistthatnewdisease4.Thereasonswhyagroupof5.Wecaninferfromthetextthat____A.scientistsareexperimentingtoclonedinosaursB.dinosaurswillneverreturntotheearthC.clonedanimalswillonlyliveinthezooD.theDNAofdinosaurscanonlysurvive10000year5.Wecaninferfromthetext

Readthepassageagainandanswerthequestions.1.Whyshouldn'tyoucloneanextinctanimalunlessthereisenoughdiversityinthegroup?

Therewillnotbeenoughgeneticvariationinthegrouptobeabletoresistnewillnesses.Readthepassageagainand2.Whyisitwrongtocloneanextinctanimalifitwouldhavetoliveinazoo?

Itisnotagoodideatocloneananimalthatwouldhavetoliveinazoobecauseitisnotasuitablehabitattodevelopandincreaseitsnumbers.Thezooisnotanaturalenvironmentforawildanimal.2.Whyisitwrongtoclonean3.Whycan'tyouclonetheDNAofanimalsthathavebeenextinctlongerthan10,000years?

TheDNAofanimalsmorethan10,000yearsoldisnotsuitableforcloning,foritcan'tsurvivesolong.3.Whycan'tyouclonetheDNADiscussion

Maythebestanimal

win!Nowinpairsdiscusswhichextinctanimalsdescribedbelowareworthrestoringbymeansofcloning.Chooseoneandusetheinformationtohelpyouarguewhythisanimalshouldberestoredtotheearth.DiscussionAuroch(1627)Largewildcattle;longhornsandhair;hairgoodformakingintoclothes;horncanbeusedfordecoration;needgrasslands.Auroch(1627)LargewildcattleDodobird(1755)Unabletofly;friendlyandnotharmful;largeeggsandtastymeatthatcouldbedevelopedforfood;needshotclimate.Dodobird(1755)Unabletofly;GreatAuk(1844)Verylargebirdthatcannotfly；livesbyandinthesea;feathersdonotabsorbwater;usefulforprotectingclothesfromwater.GreatAuk(1844)VerylargebirQuagga(1883)Skinlookslikeazebra;canbeusedfordecoration;meatverytasty;needswarmclimate.Quagga(1883)SkinlookslikeaLanguagepointsLanguagepoints1.Fromtimetotimepeoplesuggestthattheanimalsthathavedisappearedfromtheearth,likedinosaurs,canpossiblybebroughtbacktolifethroughcloning.人們時(shí)常設(shè)想從地球上消失的動(dòng)物,例如恐龍,有可能通過克隆技術(shù)使它們復(fù)活。1.Fromtimetotimepeoplesfromtimetotime有時(shí),間或,偶爾,=occasionally,nowandthen.Hecomesherefromtimetotime.

他時(shí)常到這兒來。

Thecarmanufacturerschangedthecarmodelsfromtimetotime.

汽車制造商不時(shí)地改變車的型號(hào)。fromtimetotime有時(shí),間或,偶爾,將下列句子譯成英語(1)他有時(shí)變得很沒有道理。

____________________________________________(2)他們有時(shí)吵架。

____________________________HebecomesquiteunreasonablefromTheyquarrelfromtimetotime.timeto

time.將下列句子譯成英語Hebecomesquiteunrebringbacktolife使復(fù)生Theyusedartificialrespirationtobringtheswimmerbacktolife.

他們用人工呼吸使游泳者蘇醒過來。Anywayhewasdead,wecouldnotbringhimbacktolife.

橫豎他死了，我們不能使他復(fù)生。bringbacktohealth

恢復(fù)健康bringbacktolife使復(fù)生bringb2....butotherswillsurviveandpassontheabilitytoresistthatdiseasetotheirchildren.

其他的將存活下來并傳遞給其后代抵抗這種病的能力。2....butotherswillsurviveresist作及物動(dòng)詞主要有三個(gè)義項(xiàng):

抵抗,對(duì)抗;

抵擋,防止;

(與cannot,couldnot連用)無法抗拒,無法抵擋。resist作及物動(dòng)詞主要有三個(gè)義項(xiàng):Theyresistedtheattack.他們抵抗那次攻擊。Sheresistedbeingcarriedoff.她拒絕被帶走。Shecouldnotresistthetemptation.她無法抗拒那項(xiàng)誘惑。Theyresistedtheattack.1.ThepopularityofthefilmJurassicPark,inwhichascientistclonesseveraldifferentkindsofextinctdinosaurs,proveshowinterestedordinarypeopleareinthesubject.

長(zhǎng)難句分析1.Thepopularityofthefilm

電影《侏羅紀(jì)公園》的歡迎證實(shí)了普通人對(duì)這一話題是多么感興趣,在該電影中一位科學(xué)家克隆了幾種不同的恐龍。

inwhich引導(dǎo)定語從句,how引導(dǎo)賓語從句。電影《侏羅紀(jì)公園》的歡迎證實(shí)了普通人對(duì)這一話2.Itisuselesstocloneananimalifthereisnotenoughdiversityinthegroupforittoovercomeillnesses.該群中如果沒有足夠的多樣性使它克服疾病,克隆動(dòng)物就沒有用。當(dāng)動(dòng)詞不定式、動(dòng)名詞或從句作主語時(shí),通常把它們放在謂語之后,而用it作句子的形式主語。2.Itisuselesstocloneana3.Diversityinagroupmeanshavinganimalswiththeirgenesarrangedindifferentways.群中的多樣性指的是擁有基因排列方式不同的動(dòng)物。

withtheirgenesarrangedindifferentways作定語,indifferentways以不同的方式。3.DiversityinagroupmeansListeningandSpeakingListeningandSpeaking

Iscloningcruel?ListenandseewhetheryouagreewithXiaoQingorMary.1.Readthesestatementsbeforelistening.Tickthosethatyouhear.

①Cloningwillbringdeadpetstolife.②Therewere627experimentsbeforeDollywassuccessfullyclone.Iscloningcruel?Listenan③Cloningmayproducemedicineorevenorgansofahumanbodytocureseriousillnesses.④Dollywas“middle-aged”whenshewasborn.⑤Soyourgrandmotherwouldbeabletostartherlifealloveragainandlivetoanoldage.③Cloningmayproducemedicine2.Listentothetapeagainandthenworkwithapartnertofillinthechart.Mary’sideasaboutcloningXiaoQing’sideasaboutcloning1crueltoanimals1scientistsaredoingawonderfuljob2makesthemdounnaturalthings

2maybringbackextinctanimals3itisa“deadend”3problemsbecauseitisanewscience2.ListentothetapeagainanMary’sideasaboutcloningXiaoQing’sideasaboutcloning4clonebornatageof“mother”4scientistsneedencouragement5weakensthespecies5itmayprovidemedicineforillnessesMary’sideasaboutcloningXiaoListeningTextISCLONINGCRUEL?XiaoQingandMaryBrownarediscussingwhethercloningiscrueltotheanimals.MB:XiaoQing,doyouthinkcloningiscruel?ListeningTextISCLONINGCRUEL

XQ:Whatdoyoumeanbythat?Thescientistsaredoingawonderfuljobandsoontheymaybeabletobringbackextinctanimalsorevenpeople’sfavouritepetsbacktolife.

MB:Yes,Qing,Iknow.Butdoesn’tthatseemstrangetoyou?Isitworthit?Ittook276experimentsbeforeXQ:WhatdoyoumeanbythaDollywassuccessfullycloned.ThinkofallthoselivecellsandeggsthatdiedinorderforDollytobeborn.Idon’tapproveofthat!

XQ:ButMary,bereasonable.Isn’titalwayslikethatwithanewscience?ThisisthewayyoulearntodoDolly