Unit2 語(yǔ)言點(diǎn)課件-高中英語(yǔ)人教版選修八

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.

與某人在…上意見(jiàn)不同

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

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

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

把…歸功于…Heowedhissuccessmoretohardwork

thantoluck.owingto…因?yàn)?，由?.undertakevt.undertook,undertakenundertakeatask/responsibilityAccordingtotheconstitution,itiscompulsorytoundertakemilitaryservice.Heundertooktopaythemoneybackinonemonth.4.(be)castdown

castanetcastashadow(promise/agreetodo)5.payoffIwillhavepaidoffthedebtsbythistimenextyear.Hiseffortspaidoffwhentheexperimentprovedsuccessful.payfor~yourcarelessnesspayapricefor…為…付出代價(jià)payback償還 paysb.back報(bào)復(fù)

6.objectv.

objection

Weobjecttobeingtreatedlikethis.Hehasastrongobjection

tosmokingathome,especiallywithchildrenpresent.

have/take/raiseanobjectionto…objectiveadj.客觀的subjective主觀的opposesth./beopposedto7.forbidv.forbade/forbad,forbiddenforbidsth./doingforbidsb.todosth.forbidsb.sth.Heforbadehischildrensweetsbecausehedidn’twanttheirteethtoberuined.theForbiddenCity8.accumulatevt/vi.accumulation他因努力工作而積蓄了一筆財(cái)富。He_________________byhardwork.我不在期間灰塵積聚了起來(lái)。________________duringmyabsence.

accumulatedfortuneDustaccumulatedAppositive同位語(yǔ)：當(dāng)一個(gè)概念詞在前，后面的詞、詞組或者句子是在解釋、說(shuō)明前者時(shí)，后者就是前者的同位語(yǔ)。

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

undertaketheresponsi-bilityforkeepingglobalpeace.Forusseniorthree