2023學(xué)年完整公開課版復(fù)件 B8 Unit2 Using language

Unit2Cloning1.Doyouknowanythingabout dinosaurs?2.Haveyoueverseenthefilm

JurassicPark?Thereturnofthedinosaurs?WarmingupEnjoysomepicturesaboutdinosaurs.暴龍tyrannosaurus劍龍stegosaurs角龍ceratopsids翼龍pterodactyl雷龍brontosaurusDoestheauthorbelievethedinosaurscanbecloned?SkimmingThewriterofthetext_________.A.isexcitedbythepossibilityofcloningfierceandextinctanimalsB.believesthatextinctanimalscanbebroughtbacktolifebycloningC.thinksitimpossibleorunsuitabletocloneextinctanimalslikedinosaursD.dreamsofdinosaursreturningtotheearthAnswerthefollowingquestions:Detailedreading1.Whyshouldn’tyoucloneanextinctanimalifthereisn’tenoughdiversityinthegroup?

Therewillnotbeenoughgeneticvariationinthegrouptobeabletoresistnewillnesses.

2.Whyisitwrongtocloneanextinctanimalifitwouldliveinazoo?

Itisnotagoodideatocloneananimalthatwouldliveinazoobecauseitisnotasuitablehabitattodevelopandincreaseitsnumbers.Thezooisnotanaturalenvironmentforawildanimal.1.ThefilmJurassicParkispopularbecause_____.A.peopleareinterestedinthesubjectofcloningB.alltheactorsaredinosaursC.itwasdirectedbyascientistwhoclonesdinosaursD.itprovesveryinterestingChoosethebestanswers.A2.Whichofthefollowingistrue?____Micewereclonedin1981.B.Dollythesheepwasthefirstclonedanimal.C.Thenameoftheclonedcowis“Bison”D.Chinawassuccessfulincloningmammals.3.ThereasonswhyagroupofclonedanimalsalldieofthesameillnessdoNOTinclude____.A.theyhavethesamearrangement ofgenesB.thereisn’tenoughdiversityinthe groupforittoovercomeillnessesC.theillnessisanewoneD.theirarrangementofgenescannotresistthatnewdiseaseFillintheblanksaccordingtothetext.PeopleinterestedinNotonlyfilmmakersbutalso______________._______foritsimpossibilityPerfectDNAisneeded.Thereisnotenough________inthegroup.A(n)______________wouldbeneededfortheclonedextinctanimals.ordinarypeopleReasonsdiversitysuitablehabitat__________Thechanceofdinosaursreturningtotheearthis______________.merelyadreamConclusionWecaninferfromthetextthat_____.A.scientistsareexperimentingtoclonedinosaursB.dinosaurswillneverreturntotheearthC.clonedanimalswillonlyliveinthezooD.theDNAofdinosaurscanonlysurvive10000yearPost-readingTrueorfalseaccordingtothetext.Scientistsarestillexperimentingwithcloningmammalsbecausetheythinkitcanmakemoney.Theanimalsthathavedisappearedfromtheearth,likedinosaurs,canbebroughtbacktolifethroughcloning.Ifwecancloneanyextinctanimals,weshouldletthemliveinazoo.FFFOtherswillsurviveandpassontheabilitytoresistthatdiseasetothenextgeneration.其他的將存活下來并傳遞其后代抵抗這種病的能力。單詞講解resist[詞義]

vt.

抵制,抵抗[派生詞]resistancen.

抵抗,反抗;抗性;抵抗力;耐性resistantadj.抵抗的;防……的；抗……的resistern.

抵抗者resistibilityn.

可抵抗性；抵抗力[常用搭配]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’tresistplayingjokes()Althoughateenager,Peterresisted____whattodoandwhatnottodo. A.tellingB.beingtold C.totellD.tobetold【解析】B考查resist的用法。resistdoingsth.抵制做某事,且主語Peter和tell之間是被動(dòng)關(guān)系,故B正確。B1.ThepopularityoffilmssuchasJurassicPark,inwhichascientistclonesseveralkindsofextinctdinosaurs,proveshowtheideastruckamixtureoffearandexcitementintopeople’shearts.長難句分析

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。

inwhich引導(dǎo)定語從句,how引導(dǎo)賓語從句。2.Fromtimetotimepeoplesuggestthatextinctanimalslikedinosaurs,canpossiblybebroughtbacktolifethroughcloning.人們時(shí)常設(shè)想滅絕的動(dòng)物,例如恐龍,有可能通過克隆技術(shù)使它們復(fù)活。fromtimetotime有時(shí),間或,偶爾,=occasionally,nowandthen。3.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。baseon/upon

以……為基礎(chǔ),依據(jù)其結(jié)構(gòu)為:basesth.on/upon

sth.isbasedon/upon4.Basedonwhatweknownow,youcannotcloneanimalsthathavebeenextinctlongerthan10000years.據(jù)我們現(xiàn)在所知,絕種一萬年以上的動(dòng)物不能克隆。Choosetherightanswer.1.…proveshowtheideastruckamixtureoffearandexcitementintopeople’shearts.A.havesth.onthebrainB.confusedC.drovedpeoplecrazyD.scared2.Peoplesuggestthatextinctanimalslikedinosaurs,canpossiblybebroughtbacktolife.A.keptupB.resistC.liveonD.relived3.Theinitialrequirementisthat