人教版高中英语选修8语篇提升课件：Unit 21.ppt

periodonewarmingup reading 课文预读 课文理解1 dollythesheep a lookedexactlylikethesheepthatprovidestheeggb wastheexactcopyofthesheepthatprovidesthenucleusc lookedlikethesheepthatgavebirthtoitd hadthecharacteristicsofallthreesheep 2 itcanbeinferredfromthepassagethataclonedanimal a usuallylivesaslongastheoriginaloneb usuallyliveslongerthantheoriginalonec usuallylivesshorterthantheoriginaloned isusuallyashealthyastheoriginalone3 whichofthefollowingisnotanadvantageofcloning a cloningcanbeusedformedicalpurposes b largequantitiesoffoodcanbeproducedbycloning c cloningcanhelpkeepanimalsfrombecomingextinct d famouspersonswhohavepassedawaycanbecloned 4 whichofthefollowingisnotaproblemordangerofcloningaccordingtothepassage a clonedbinladenwoulddoharmtotheworld b animalclonesmaydeveloptheillnessofolderanimalsandmaydieyoungerthanthedonoranimals c therearemoralobjectionstocloninghumanbeings d toomuchcloningmayleadtothedestructionofthebalanceofnature 5 fromthepassage wecansee a dolly soriginalsheeplived12yearsb dolly sbabywasalsoaclonedonec newspapersdidnotdisclosecloningsheepd officialsbecamenervousaboutcloning答案1 b2 c3 d4 d5 d 课文语法填空cloningisawayof1 make anexactcopyofanotheranimalorplant 2 hastwomajoruses oneis3 gardenersuseittoproducecommercialquantitiesofplants theotheristhatitisvaluableforresearchonnewspeciesandformedicalresearchonanimals 4 theprocessofcloningisdifficult5 undertake manyattemptstoclonemammalsfailed thefirstsuccessfulclone dollythesheep madethewhole6 science worldfollowitsprocess thoughithad7 problemsthanthenormalsheep ontheotherhand dolly sappearance8 raise astormofobjectionsandhadagreatimpact9 themediaandpublic10 imagine differentpeoplehavedifferentopinionsonit however scientistsstillwonderwhethercloningwillhelporharmusandwhereitisleadingus 答案1 making2 it3 that4 however5 toundertake6 scientific7 more8 raised9 on10 imagination 知识梳理 核心单词一 单词拼写1 theythinktheclonedanimalslikedollythesheep which 总共 livedonlysixyearsandahalf can tliveanormallife 2 oldpeopleareusuallymore 保守的 thanyoungpeople 3 thescientistsarestrugglingfora 突破 incancerresearch 4 wehaveworkedoutanewsetof 程序 forusingthismachine 5 theareahasremaineduntouchedby 商业的 development 答案1 altogether2 conservative3 breakthrough4 procedures5 commercial 二 单句语法填空1 youmentionedthatyoucouldteachenglishasareward whichis exact whatiwant 2 ijustneedtomakeafew correct andthenwecansendittotheprinter 3 youcancomplain butidoubtwhetheritwillmakeany differ 4 wouldyouliketodomeafavour send ane mailtomygrandson 5 myfathersupportedmeintakingpartinmoresocialactivities mymotherobjectedtoit 答案1 exactly2 corrections3 difference4 tosend5 while 重点短语一 补全短语1 thetime一直 始终2 pay 得到好结果 取得成功 偿清3 cast 使失望 使沮丧4 haveagreatimpact 对 有很大影响5 favourof赞成 支持6 beappropriate 对 来说适合7 openone seyes 使 看清答案1 all2 off3 down4 on5 in6 to7 to 二 用所给短语的适当形式填空castdown haveagreatimpacton ontheotherhand objectto tobeexact differfrom payoff infavorof1 whattheteachershavedone theirstudentsinthefuture 2 ontheonehandthey dlovetohavekids but theydon twanttogiveuptheirfreedom 3 hewillsetoffthedayaftertomorrow onmay26 tuesday 4 likemanyskills guitarplayingalsocomeswithdifferenttechniqueswhich onepersontoanother 5 hewas becausehewasforbiddentogooutwithhisbrothers 6 mysisterwasagainstmysuggestionthatjohngoabroadforfurthereducationwhilemybrotherwas it 7 theyoungmanwasgladthathisexperienceasacookinthearmyfinally 8 attheunconference chinastrongly punishingthearabiccountriesbyforce 答案1 hasagreatimpacton2 ontheotherhand3 tobeexact4 differfrom5 castdown6 infavorof7 paidoff8 objectedto 完成句子1 inourdailylife wewillhaveourownpointofviewaboutsomething which 在日常生活中 我们对事情会有自己的观点 它与其他人的不同 2 totellthetruth i youwillwinintheelection 说实话 我不能保证你在选举中会胜出 3 inmyopinion cloning onconditionthatweundertaketouseitproperly 依我看 克隆迟早会有回报 只要我们保证合理应用它 4 mostparentsagreeto 大部分父母同意禁止孩子吸烟 5 helikespopmusic 他喜欢流行音乐 而我喜欢乡村音乐 答案1 differsfromothers 2 can tundertakethat3 willpayoffsoonerorlater4 forbidtheirchildrentosmoke fromsmoking5 whileiamfondofcountrymusic leavesofdifferenttreesdiffergreatlyinsizeandshape 不同树木的树叶在大小和形状上有很大不同 canyoutellthedifferencesbetweenthem 你能说出他们之间的不同吗 itdoesn tmakeanydifference itmakesnodifferencetomewhetheryougoorstay 你去还是留对我没有什么影响 thingsintheworlddifferfrom aredifferentfromeachotherinathousandways 世界上的事物是千差万别的 单句语法填空 i msorryididn trecognizeyoujustnow youlook differ somehow theamericansspellsomewords differ fromthebritish ignoringthe differ betweenthetworesearchfindingswillbeoneoftheworstmi