选修unitreading学习教程.pptx
![资源得分’ title=](/images/score_1.gif)
![资源得分’ title=](/images/score_1.gif)
![资源得分’ title=](/images/score_1.gif)
![资源得分’ title=](/images/score_1.gif)
![资源得分’ title=](/images/score_05.gif)
《选修unitreading学习教程.pptx》由会员分享,可在线阅读,更多相关《选修unitreading学习教程.pptx(80页珍藏版)》请在得力文库 - 分享文档赚钱的网站上搜索。
1、TwinsTheyarebornnaturallyandidenticalinsexandappearance.第1页/共80页A strawberry plantThenewplantsthatgrowfromtherunnersareexactcopiesoftheoriginalplant.第2页/共80页一株草莓依靠它沿地“爬走”的匍匐茎,一年内就能长出数百株草莓苗。第3页/共80页富贵竹插枝即活Thegardenershouldcuttheplant,thenthecuttingproduceanothernewplant.第4页/共80页1996 cloning sheeps第5页
2、/共80页2001 cloning cattle第6页/共80页我国成功繁殖克隆兔 体形要比普通兔大许多2002年5月中旬成功地繁殖了一只胚胎细胞克隆兔。第7页/共80页2002 cloning cats第8页/共80页2002年4月16日美国第一头克隆牛“艾米”产下牛犊喜作妈咪。第9页/共80页2005 cloning dogs第10页/共80页Inpairsdiscusswhatyouunderstandaboutcloning.Thenlistthequestionsyouwanttofindout.Shareyourlistswithoneanother.Pre-reading 第11
3、页/共80页1.Whatisaclone?Acloneisananimaloraplantproducednaturallyorartificiallyfromthecellsofanotheranimalorplantandisexactlythesameasit.第12页/共80页2.Howisacloneproduced?Thecloningofplantsissimpleandrelativelyeasy.Itcanbedonebytakingcuttings(man-madecloning)orlettingtheplantproduceitsownrunners(naturalcl
4、oning).Thecloningofanimalsismorecomplicated.Itwasnotachieveduntil1996andisfullyexplainedinthefirstreading.第13页/共80页第14页/共80页3.Whatbenefitscanhumansgainfromcloning?Medicalcloningcanhelpcureseriousillnessesthatruinonesqualityoflife(suchasParkinsonsdiseaseorAlzheimersdisease).Itcanhelpinfertilepeopleha
5、vebabies.第15页/共80页4.Whatproblemsmayarisewhenhumansarecloned?Peoplemaywanttoclonethemselvessotheycanliveforever.Peoplemaywanttoclonedeadchildren.Peoplemaywanttoclonetheirfavouritepets.第16页/共80页1.Whatisthemaintopic?A.Cloning.B.Dollythesheep.C.Itwillleadustosomeplaces.2.Whatisthewritingstyle?A.Expositi
6、ve(说明性的).B.Descriptive.C.Argumentative(议论性的).A A 第17页/共80页Learning tips:Thepassageiswrittenintheexpositive style.Thatistosaythetextisinthethirdpersonandinfactualandformallanguage.Itgivesdifferent points of viewanddoesnottrytopersuadethereadertomakeuphis/herownmind.第18页/共80页3.Dollythesheep_.A.lookede
7、xactlylikethesheepthatprovidestheegg.B.wastheexactcopyofthesheepthatprovidesthenucleus.C.lookedlikethesheepthatgavebirthtoit.D.hadthecharacteristicsofallthreesheep.B 第19页/共80页4.It can be inferred from the passage that a cloned animal_.A.usually lives as long as the original one B.usually lives longe
8、r than the original one C.usually dies earlier than the original one D.is usually as healthy as the original oneC 第20页/共80页5.Whichofthefollowingisnotanadvantageofcloning?A.Cloningcanbeusedformedicalpurposes.B.Largequantitiesoffoodcanbeproducedbycloning.C.Cloningcanhelpkeepanimalsfrombecomingextinct.
9、D.Famouspersonswhohavepassedawaycanbecloned.D 第21页/共80页6.Whichofthefollowingiswrong?A.Clonedpeoplecouldliveforever.B.Clonedpeoplemaybekilledatwillformedicalaid.C.Awomanwouldhavedifficultyrecognizingherrealhusband.D.Menwilldieoutbecauseawomancangivebirthtoababywithoutahusband.A 第22页/共80页7.Whichstatem
10、entisNOTtrue?A.Cloningissomethingthathasbeendevelopedquiterecently.B.Twinsthatlookexactlythesameareoriginallyfromthesameegg.C.Cloningisusedbygardenerstomakemoremoney.D.Animalcloningismuchmoredifficultthanplantcloning.A 第23页/共80页8.ThecloningofDollythesheepsucceededbecause_.A.itseasiertocloneasheeptha
11、notheranimalsB.thescientistsweredeterminedandworkedhardwithpatienceC.thescientistswererewardedandgotlotsofmoneyD.manyotherattemptstoclonemammalsfailedB第24页/共80页9.Thelambisthecloneofthecellfromsheepbecause_.A.itprovidestheeggcellB.itgivesbirthtothelambC.itprovidesthenucleusD.itisafemalesheep10.Theshe
12、epthatdonatedthesomaticcellmostprobablylived_years.A.3B.6C.9D.12CD 第25页/共80页11.Themainideaofthetextis_A.animalcloningisveryvaluableandcanbenefittheworld.B.animalcloningcouldbemisusedbybadpeoplesoitmustbeforbidden.C.animalcloningiswelldevelopedbecauseDollythesheepwasborn.D.animalcloningraisedargument
13、sandscientistsarenotsureaboutitsfuture.D第26页/共80页12.WhichofthefollowingisNOTaproblemordangerofcloningmentionedinthetext?A.Evilleadersmaywanttoclonethemselves.B.Animalclonesmaydeveloptheillnessofolderanimalsandmaydieyoungerthanthedonoranimals.C.Therearemoralobjectionstocloninghumanbeings.D.Toomuchclo
14、ningmayleadtothedestructionofthebalanceofnature.D 第27页/共80页13.Wecaninferfromthelastthreeparagraphsthat_.A.thenormaldevelopmentofDollyhadnoeffectonthecloningofotherspecies.B.Dollysseriousdiseaseandfinaldeathdisturbedthewholeworld.C.Dollysuccessfullyclonedanewlambwiththehelpofcloningscientists.D.there
15、wereargumentsaboutanimalcloningandconcernsaboutthefutureofcloning.D第28页/共80页Careful reading Themainideaofeachparagraph.Cloningis_2.Cloninghas_uses.3.The_ofDolly.4.The_ofclonginginsociety.5.Theattitudestowardscloning.awayofmakinganexactcopyofanotheranimalandplant.problemstwomajoreffect第29页/共80页Ithapp
16、ensbothin_andin_.Theycanbeclonedby_and_.plantsanimalsthemselveshumansNatural cloneMan-made clonePara 1:The definition of cloning第30页/共80页1.Howmanymajorusesdocloninghave?Firstly,commercialSecondly,research2.Howmanyfemalesheepparticipateinthecloningofanewsheep?3.WhenwasthecloningofDollythesheepborn?3P
17、ara 2:The major uses and procedures of cloning1996第31页/共80页normallyDollylivedforsixandahalfyears,halfthelengthofthelifeoftheoriginalone.Para 3:The problems of Dolly第32页/共80页Theword“controversial”inPara4probablymeans_.A.complicatedB.arguableC.important Para 4:The impact of DollyB 第33页/共80页Trueorfalse
18、:1.PeoplefearedthatClonedHitlerswoulddoharmtotheworld.2.Alltheresearchintohumanbeingswillbeforbidden.3.Somecountrieswillusecloninginawiseway.Para 5:Peoples reaction to cloningManygovernmentsforbaderesearchintohumanbeings.T TF 第34页/共80页Hitler:an evil leader第35页/共80页意大利狂人医生:安蒂诺里冒死也要克隆人的科学家:布瓦瑟利耶第36页/共
19、80页1 Read the passage and answer these questions.Comprehending 1.Whatarethetwomajorusesofcloning?Thefirstuseistoproducecommercialquantitiesofplants.Thesecondistoresearchonnewplantsspeciesanddomedicalresearchonanimals.第37页/共80页2.Whyisiteasiertomakecommercialplantclonesthananimalclones?Cloningplantsis
20、straightforward,butthecloningofanimalsisverycomplicated.第38页/共80页3.Whatwasthefirstclonefromanadultanimal?Atwhatagedidthisclonedie?4.Whyiscloningcontroversialinsomecountries?ThefirstclonefromanadultanimalwasDollythesheep.Shediedin2003attheageof6andahalf.Cloningiscontroversialinsomecountriesformoralan
21、dreligiousreasons.第39页/共80页AnimalsmayDeveloptheillnessesofolderanimals.Fill in the chart.Medicalcloningcouldproducecuresforseriousillnessesinhumans.第40页/共80页AnimalclonesmaydieyoungerthanthedonoranimalsEvilleadermaywanttoclonethemselves.Therearemoralobjectionstocloninghumanbeings.Cloningplantscanprod
22、uceplantsofsimilarqualityforsale.Cloningplantscanbeusefulforresearchonnewplantspecies.Cloningcanhelpsaveendangeredanimals.第41页/共80页3Whatdoyouthinkisthewriterspointofviewinthisreadingpassage?Isitinfavourofcloningoragainstit?Ithinkthewriterisbecauseimpartialhe/shedoesnotstateanypersonalopinionaboutclo
23、ning.第42页/共80页1.Doyousupporttheideaofproducinghumanembryos(胚胎)formedicalpurposes?Why?2.Doyouthinkitagoodideatouseclonedhumansfororgan(器官)transplants?Why?3.Doyouthinkaclonedhumanshouldhavehumanrights?Why?4.Doyouthinkclonedhumanswillhavethesametalentsastheoriginalones?Why?Discussion第43页/共80页Asacoinhas
24、twosides,everythinghastwoaspects.First,ifthecloningisusedinacorrectwayitcanbringmanyconveniencestous.Suchas:curingseriousillnessesandbeingusedtoproducecommercialqualitiesofplants.Ontheotherhand,ifthecloningisusedinanevilwayitcancausemuchtroubles:suchasmoralquestions.第44页/共80页Practice activity:Debate
25、 Areyouinfavorofcloningoragainstcloning?Whatisyourpointofviewonit?第45页/共80页1.Thishappensinplantswhengardenerstakewhentwinsidenticalinsexand1)“whengardenerstakecuttingsfromgrowingplantstomakenewones,whentwinsidenticalin是两个时间状语从句。when引导的时间状语从句中从句的动作可以与主句的动作同时发生,也可以先于主句的动作。Dontbeafraidofaskingforhelp_i
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 选修 unitreading 学习 教程
![提示](https://www.deliwenku.com/images/bang_tan.gif)
限制150内