高中英语 Unit2 Using Language课件 新人教版选修8.ppt

thereturnofthedinosaurs 1 haveyoueverseenthefilmjurassicpark whatanimalsdoyouseeinthefilm aretheyrealdinosaurs doyouthinkitpossibleforpeopletocloneadinosaur why thereturnofthedinosaurs learningaimsanddemands 1 tounderstandthewholetext 2 tolearnsomelanguagepoints readthetext thentellwhetherthefollowingsentencesaretrueorfalse scientistsarestillexperimentingwithcloningmammalsbecausetheythinkitcanmakemoney theanimalsthathavedisappearedfromtheearth likedinosaurs canbebroughtbacktolifethroughcloning ifwecancloneanyextinctanimals weshouldletthemliveinazoo f f f reading iscanning thewriterofthetext a isexcitedbythepossibilityofcloningfierceandextinctanimals b believesthatextinctanimalscanbebroughtbacktolifebycloning c thinksitimpossibleorunsuitabletocloneextinctanimalslikedinosaurs d dreamsofdinosaursreturningtotheearth 主旨大意 2 thefilmjurassicparkispopularbecause peopleareinterestedinthesubjectofcloningb alltheactorsaredinosaursc itwasdirectedbyascientistwhoclonesdinosaursd itprovesveryinteresting 细枝末节 3 whichofthefollowingistrue micewereclonedin1981 b dollythesheepwasthefirstclonedanimal c thenameoftheclonedcowis bison d chinawassuccessfulincloningtwincalves 4 thereasonswhyagroupofclonedanimalsalldieofthesameillnessdonotinclude a theyhavethesamearrangementofgenesb thereisn tenoughdiversityinthegroupforittoovercomeillnessesc theillnessisanewoned theirarrangementofgenescannotresistthatnewdisease 5 wecaninferfromthetextthat a scientistsareexperimentingtoclonedinosaursb dinosaurswillneverreturntotheearthc clonedanimalswillonlyliveinthezood thednaofdinosaurscanonlysurvive10 000year 推理判断 givesomereasonswhyitiseitherimpossibleorunsuitabletocloneextinctanimals reason1 reason2 reason3 youneedperfectdnathereisnotenoughdiversityforclonedanimalstoovercomenewdiseases itwouldbeunfairtocloneanyextinctanimalsiftheywouldhavetoliveinazoo diversityinagroupofclonedanimals ifthereisanewillnesssomeoftheseanimalsmaydie butotherswillsurviveandpassedontheabilitytoresistthatdiseasetotheirchildren theywouldallhavethesamearrangementofgenesandsotheymightalldieofthesamedisease thepopularityofthefilmsuchasjurassicpark inwhichascientistclonesseveraldifferentkindsofextinctdinosaurs proveshowideasstruckamixtureoffearandexcitementintopeople shearts 长句难句 在电影 侏罗纪公园 中 一位科学家克隆了几种不同的恐龙 这样的电影很受欢迎 证实了这一想法使人们感到既兴奋又恐惧 inwhich引导定语从句 how引导宾语从句 1 strike 过去式 过去分词 1 hefell strikinghisheadontheedgeofthetable 2 theareawasstruckbyanoutbreakofcholera 3 anawfulthoughthasjuststruckme 4 theystruckforbetterworkingconditions 5 theclockhasjuststruckthree 6 strikeamatch exx 译 1 strikewhiletheironishot 2 我突然想到我们如何能改善局面了 struck struck 碰 撞 打 灾难 疾病等 侵袭 爆发 想起 想到 罢工 报时 敲响 划 擦火柴 趁热打铁 itstruckmehowwecouldimprovethesituation 2 diversityinagroupmeanshavinganimalswiththeirgenesarrangedindifferentways withtheirgenesarrangedindifferentways作定语 indifferentways以不同的方式 群中的多样性指的是拥有基因排列方式不同的动物 basedon upon以 为基础 依据此处为悬垂分词做状语 其结构为 basesth on uponsth isbasedon upon 3 basedonwhatweknownow youcannotcloneanimalsthathavebeenextinctlongerthan10000years 据我们现在所知 绝种一万年以上的动物不能克隆 havingsufferedheavypollutionalready itmaynowbetoolatetocleanuptheriver withwhatweknownow thisiseitherimpossibleorunsuitable withwhatweknownow就我们现在所知的 withwhatwehavenow wecan taffordsolargeahouse 4 fromtimetotimepeoplesuggestthatextinctanimalslikedinosaurs canpossiblybebroughtbacktolifethroughcloning fromtimetotime有时 间或 偶尔 occasionally nowandthen sometimesattimesbring backtolife使复生comebacktolife 人们时常设想从地球上消失的动物 例如恐龙 有可能通过克隆技术使它们复活 5 theadvantageisthatifthereisanewillnesssomeoftheseanimalsmaydie butotherswillsurviveandpassontheabilitytoresistthatdiseasetotheirchildren passon to 传递 留给resistv resiststh 抵制 阻挡某事resistdoingsth 反对做某事can tresistdoingsth 忍不住做某事 抵抗 对抗 sheisoverweight butshecan t thetemptationtoeatmoredeliciousfood forbidb attachc allowd resist d 6 alleffortsofcloningananimalwillbeinvainifthereisnotenoughdiversityinthegrouptoovercomeillnesses invain 我们所有的努力都付诸东流了 徒劳 白费心机 alloureffortswereinvain skimming answerthefollowingquestions 1 whyshouldn tyoucloneanextinctanimalifthereisn tecoughdiversityinthegroup 2 whyisitwrongtocloneanextinctanimalifitwouldhavetoliveinazoo 3 whycan tyouclonethednaofanimalsthathavebeenextinctlongerthan10 000years 1 whyshouldn tyoucloneanextinctanimalifthereisn tecoughdiversityinthegroup keys therewillnotbeenoughgeneticvariationinthegrouptobeabletoresistnewillnesses 2 whyisitwrongtocloneanextinctanimalifitwouldhavetoliveinazoo keys itisnotagoodideatocloneananimalthatwouldhavetoliveinazoobecauseitisnotasuitablehabitatto