Unit2 语言点课件-高中英语人教版选修八

Twiceasgood?Doubletrouble?

Cloningisawayofmakingan_____copyofanotheranimalorplant.Itcanbeusedtocloneplantsandanimals.Cloningplantsis____________whilecloninganimalsisvery_________.However,thedeterminationandpatienceofthescientists_______withthebirthofDolly.Butthencamethe_________newsthatDollyhadbecomeseriouslyill.ThefactthatDollylivedsix,halfthe______ofthelife_________thecloningscientists.Dolly’sappearance_____astormof________andhadagreat______onthemediaandthepublicimagina-tion.Scientistsstillwonder______cloningwillhelporharmusandwhereitisleadingus.exactstraightforwardcomplicatedpaidoffdisturbingcastdownraisedlengthimpactwhetherobjectionsAdvantages:medicalresearch;morequantitiesofplants;newplantspecies;saveendangeredanimalsprovidecureforseriousillnessProblems:developillnessofolderanimals;dieyounger;evilleaders;moralobjection;…

1.Cloningisaverycomplex,difficulthigh-tech,thereexistslotsofunpredictablechangeespeciallywhenthetechnologyhasn’tbeenfullydeveloped.2.Alotofpeople’spersonality,belief,etc.aretheresultoftheexperiencestheyhaveandtheenvironmenttheygrowupin.soaclonemaybesimilartotheoriginalonebutwouldstilldiffermentally.3.Whetheraclonewouldbetreatedwiththesamerightsasanyhumanremainsaproblem.Cloningisadouble-edgedswordAnyway,whethercloningishelpfulorharmfuldependson________________________________________________

whetherwehumansdevelopanduseitinawiseway.Nomatterhowadvancedthetechnologyis,thereisstillsomethingthatcanneverbecloned,includinglove,friendship,experience,etc.LangugePointsExpressions:producecommercialquantitiesofplantsfollowtheprogressofthefirstclonemakecorrectionsintheresearchprocedureraiseastormofobjectionshaveagreatimpactonthemediaimaginationattainone’sambitionreformthelegalsystemsaccumulateevidenceoftheabundantmedicalaidSentenceappreciation:Cloninghappensinanimalswhentwinsidenticalinsexandappearanceareproducedfromthesameoriginaleggs.Atlastthedeterminationandpatienceofthescientistspaidoffin1996withabreakthrough.CloningscientistswerecastdowntofindthatDolly’sillnessesweremoreappropriatetoamucholderanimal.OthercountrieslikeChinaandUK,continuedtoaccumulateevidenceoftheabundantmedicalaidthatcloningcouldprovide.

1).sb.differwithsb.on/aboutsth.

与某人在…上意见不同

2).differin…在…方面不同3).differfrom…与…不同1.differvi.different,differencebedifferentfromsb.insth.tellthedifferencebetween…and…distinguishbetweenAandBdistinguishAfromBModernairplanesdifferfromearlyonesinmanyaspects.Thehusbanddifferswithhiswifeonwhoistotakechargeofthemoney.

2.owev.owesb.sth./owesth.tosb.

欠（债、人情）owesb.afavor/anexplanationowesb.anapology

把…归功于…Heowedhissuccessmoretohardwork

thantoluck.owingto…因为，由于3.undertakevt.undertook,undertakenundertakeatask/responsibilityAccordingtotheconstitution,itiscompulsorytoundertakemilitaryservice.Heundertooktopaythemoneybackinonemonth.4.(be)castdown

castanetcastashadow(promise/agreetodo)5.payoffIwillhavepaidoffthedebtsbythistimenextyear.Hiseffortspaidoffwhentheexperimentprovedsuccessful.payfor~yourcarelessnesspayapricefor…为…付出代价payback偿还 paysb.back报复

6.objectv.

objection

Weobjecttobeingtreatedlikethis.Hehasastrongobjection

tosmokingathome,especiallywithchildrenpresent.

have/take/raiseanobjectionto…objectiveadj.客观的subjective主观的opposesth./beopposedto7.forbidv.forbade/forbad,forbiddenforbidsth./doingforbidsb.todosth.forbidsb.sth.Heforbadehischildrensweetsbecausehedidn’twanttheirteethtoberuined.theForbiddenCity8.accumulatevt/vi.accumulation他因努力工作而积蓄了一笔财富。He_________________byhardwork.我不在期间灰尘积聚了起来。________________duringmyabsence.

accumulatedfortuneDustaccumulatedAppositive同位语：当一个概念词在前，后面的词、词组或者句子是在解释、说明前者时，后者就是前者的同位语。

Mr.Smith,ournewteacher,isverykindtous.Allthecountries,bigorsmall,areequal.ThencamethedisturbingnewsthatDollyhadbecomeseriouslyill.Translation:TheUNissupposedto

undertaketheresponsi-bilityforkeepingglobalpeace.Forusseniorthree