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Unit2cloningusinglanguageTheReturnoftheDinosaurs?Answerthefollowingquestions:HaveyoueverseenthefilmJurassicPark?Dopeoplelikethisfilm?Whatanimalsdoyouseeinthefilm?Aretheyrealdinosaurs?
Doyouthinkitispossibletoclonedinosaurs?WarmingupListentothetextandthentellthefollowingsentencesaretrueorfalse.(Studentscandiscussinpairs.)Scientistsarestillexperimentingwithcloningmammalsbecausetheythinkitcanmakemoney.Theanimalsthathavedisappearedfromtheearth,likedinosaurs,canbebroughtbacktolifethroughcloning.Ifwecancloneanyextinctanimals,weshouldletthemliveinazoo.FFF1.ThefilmJurassicParkispopularbecause_____.A.peopleareinterestedinthesubjectofcloningB.alltheactorsaredinosaursC.itwasdirectedbyascientistwhoclonesdinosaursD.itprovesveryinterestingChoosethebestanswers.2.Whichofthefollowingistrue?____Micewereclonedin1981.B.Dollythesheepwasthefirstclonedanimal.C.Thenameoftheclonedcowis“Bison”D.Chinawassuccessfulincloningmammals.3.Fromthefirstparagraph,howmanykindsofanimalshavebeenclonedsince1950s?
Seven:frogs,mice,cows,sheep,calves,cats,dog.Givesomereasonswhyitiseitherimpossibleorunsuitabletocloneextinctanimals.Reason1:Reason2:Reason3:YouneedperfectDNAThereisnotenoughdiversityforclonedanimalstoovercomenewdiseases.Itwouldbeunfairtocloneanyextinctanimalsiftheywouldhavetoliveinazoo.AdvantageofdiversityDisadvantageofdiversityDiversityinagroupofclonedanimalsIfthereisanewillness,someoftheseanimalsmaydie,butotherswillsurviveandpassedontheabilitytoresistthatdiseasetotheirchildren.Theywouldallhavethesamearrangementofgenesandsotheymightalldieofthesamedisease.Whyisitwrongtocloneanextinctanimalifitwouldhavetoliveinazoo?Itisnotagoodideatocloneananimalthatwouldhavetoliveinazoobecauseitisnotasuitablehabitattodevelopandincreaseitsnumbers.Thezooisnotanaturalenvironmentforawildanimal.Whycan’tyouclonetheDNAofanimalsthathavebeenextinctlongerthan10,000years?TheDNAofanimalsmorethan10,000yearsoldisnotsuitableforcloning,foritcan’tsurvivesolong.merelyadreamConclusion:Thechanceofdinosaursreturningtotheearthis______________.1.Wecaninferfromthetextthat_____.A.scientistsareexperimentingtoclonedinosaursB.dinosaurswillneverreturntotheearthC.clonedanimalswillonlyliveinthezooD.theDNAofdinosaurscanonlysurvive10000yearPost-reading2.Whatistheauthor’sattitudeinthispassage?Subjective.B.Positive.C.Favorable.D.Objective.Post-reading3.Whatisthemainideaofthispassage?Itprovesthereturnofthedinosaurs.Itshowsthehistoryofcloningdinosaurs.“Thereturnofthedinosaurs”isimpossibleorunsuitable.“Thereturnofthedinosaurs”isanexcitedstory.Post-reading1.ThepopularityoffilmssuchasJurassicPark,inwhichascientistclonesseveralkindsofextinctdinosaurs,proveshowtheideastruckamixtureoffearandexcitementintopeople’shearts.長難句分析引導(dǎo)定語從句引導(dǎo)賓語從句在《侏羅紀(jì)公園》這部電影中,有一位科學(xué)家克隆了好幾種不同的絕種恐龍。類似這樣的電影很受歡迎,證明了這一想法使人們感到既興奮又恐懼。strikefear/excitementintoone’sheart使某人感到恐懼/興奮strikesb.down摧垮,使病倒,使喪命(1)Herwords________________________sothathewassleeplessallnightlong,afraidofbeingkilledunexpectedlysomeday.(2)He__________________bycancerwhenhewasonlythirty.struckfearintohisheartwasstruckdownManypeoplewhohadseenthefilmwereafraidtogototheforestwhentheyrememberedthescenes______peoplewereeatenbythetiger.A.inwhichB.bywhichC.whichD.that解析:題意為“很多看過這部電影的人,當(dāng)回想到人被老虎吃掉的情景時,就不敢去森林里了”。本題考查“介詞+關(guān)系代詞”引導(dǎo)的定語從句?!皃eoplewereeatenbythetiger”是定語從句,先行詞thescenes在定語從句中作地點(diǎn)狀語,表示”在這種情景中”,所以選AA
2.Fromtimetotimepeoplesuggestthatextinctanimalslikedinosaurs,canpossiblybebroughtbacktolifethroughcloning.人們時常設(shè)想滅絕的動物,例如恐龍,有可能通過克隆技術(shù)使它們復(fù)活。fromtimetotime有時,間或,偶爾,=occasionally,nowandthenbringbacktolife使復(fù)生,使復(fù)活cometooneself蘇醒過來(1)Itissaidthatthemysteriousmedicinecan_______________________(能使死人復(fù)活).(2)Hefinally________________(蘇醒過來了)afterthreedays’sleep.bringthedeadbacktolifecametohimself3.Diversityinagroupmeanshavinganimalswiththeirgenesarrangedindifferentways.
群中的多樣性指的是擁有基因排列方式不同的動物。作定語以不同的方式meandoingsth.意味著......havesth.done讓某人做某事4.Otherswillsurviveandpassontheabilitytoresistthatdisease
to
thenextgeneration.其他的將存活下來并傳遞其后代抵抗這種病的能力。
passon...to...
將......傳給......resistvt.
抵制,抵抗resistancen.
抵抗,反抗;抵抗力;耐性resistantadj.抵抗的;防……的;
resiststh./doingsth.
抵制某事/做某事can’tresiststh./doingsth.
禁不住某事/做某事resisttheenemy/temptation抵抗敵人/抵制誘惑根據(jù)漢字提示完成句子。1)Wearedeterminedtostayand______________(抵抗敵人).2)Tom________________________(忍不住開玩笑)abouthisstrangehairstyle.3)Quiteafewpeopleinpower______________________________(抵制不住金錢的誘惑)anddisobeythelaw.
can’tresistthetemptationofmoneyresisttheenemycouldn’tresistplayingjokesbaseon/upon
以……為基礎(chǔ),依據(jù)其結(jié)構(gòu)為:basesth.on/upon
sth.isbasedon/upon5.Basedonwhatweknownow,youcannotcloneanimalsthathavebeenextinctlongerthan10000years.
據(jù)我們現(xiàn)在所知,絕種一萬年以上的動物不能克隆。過去分詞短語作狀語_______byagreaterdemandforvegetables,farmers
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