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2019-2020年高中英语Unit2Cloning第1课时导学案新人教版选修8【学习目标】Enablethestudentstomastersomekeywordsandexpressions.【重点难点】differ;undertake;payoff;castdown;object;obtain;forbid【学习内容】
1.differv.不同;相异;使…..不同【归纳拓展】differsfrom=bedifferentfrom与…不同differin在…..方面不同differswithBabout/on/over...与…..就…..意见相左makea/nodifferenceto对..有/无关系(影响)tellthedifferencebetween…and…..分清Theirhousediffersfrommineinhavingnogarage.他们的房子与我的不同,区别在于他们的没有车库Thetwosidesstilldifferwitheachotheroverthequestionofpay.双方在报酬的问题上仍各持己见【即学即用】用适当的介词填空1Thetwosquaresdiffercolourbutnotsize.2Thehusbanddiffersthewifewhoistotakechargeofthemoney.3Itdoesn’tmakeadifferencemewhetheryouaregoingtostay.4ThisisadifferentcartheoneIdroveyesterday.
2.exactadj准确的;确切的TellustheexacttimeofthetraintoBeijing.告诉我们到北京的确切时间Watchmakingisanexactskill.钟表制造是一项精密技术【归纳拓展】tobeexact确切地说eexactlyspeaking严格地说【即学即用】1)Ithappenedlatelastcenturyin1895_______________________.2The________dateoftheeventhasescapedme.
3.undertakevt.(undertook;undertaken)着手;从事;承担;保证,答应【归纳拓展】undertakesth.着手/从事/承担某事undertaketodosth.保证/答应做某事undertakethat...保证undertake...for为…负责Icanundertaketheresponsibilityforthechanges.我愿意承担这些变革的责任Thelawyerundertookanewcase.那个律师接了一个新的案子HeundertooktofinishthejobbyFriday.他答应星期五之前完成这项工作【即学即用】翻译句子1)他下个月要去西部旅行___________________________________________________.2)我不能保证按时做完它__________________________________________________.
4.payoff还清(债务);得到好结果;取得成功Alltheseweeksofstudyingwillpayoffwhenyoutaketheexam.所有那几周的学习都会在你考试时得到回报Ittookthecoupletenyearstopayoffallthedebts.这对夫妇花了十年的时间还清了所有债务【归纳拓展】pay..back还钱paysbsthfor..付钱给某人作为…的费用payfor支付;为…吃苦头payavisitto拜访payattentionto注意【即学即用】1)我记得昨天还你钱了,但不记得确切数目了Iremember_______you_______yesterdaybutforgetthe_________amount.2经过十年的艰辛,他们还清了债务,而且他们的付出得到了回报Aftertenyearsofhardworkthey____________thedebtsandtheirefforts______________.3)这辆自行车花了他400元He_________400yuan_______thebicycle.
5.cast(castcast)扔;抛;投【归纳拓展】castashadow投下阴影castoff丢弃;抛弃castdown沮丧;不愉快两次世界大战在全世界人民心中投下了阴影Thetwoworldwarscastashadowovertheworld.他找不到工作十分的沮丧Hewasmuchcastdownbyhisfailuretofindwork.【即学即用】1You’dbetter_____________yourbadhabits.2Hewas______________whenhissuggestionwasturneddown.
6.objectvi反对,不赞成n.物体;目标objectionn.不赞成;反对;异议【归纳拓展】objecttosb./sth.不赞成某人/某事objecttodoingsth.反对做某事objectthat...反对haveanobjectionto...反对¡¡raise/voiceanobjection提出异议Nooneobjectedtotheplan.没有人反对这项计划Weobjecttobeingtreatedlikethis.我们反对受到这样的待遇Whydosomepeopleobjecttohumancloning为什么一些人反对克隆人类呢?MotherobjectedthatJimmywastooweaktotakeupthejob.母亲反对说,吉米身体太虚弱,不能承担那份工作Thebuildingisthemainobjectofhisinterest.他最感兴趣的是这栋建筑物【即学即用】我们反对因为一个人的错误而惩罚整体We______________________awholegroupforoneperson’sfault.
7.obtainvt.获得;赢得易混辨析obtain/acquire/gain/earn/achieveobtain意为“获得,买到”指通过努力或请求而得到,含有满足要求或得达到目的的意味,用于正式语体中acquire意为“经过努力逐步获得才能、知识、习惯等,也可用于表示对财物等的获得”,强调“一经获得就会长期持有”的含义gain意为“通过较大努力获得某种利益或好处;亦可指军事上的武力夺取等”earn意为“挣得,赢得”,指因工作等而得到报酬或待遇achieve意为“得到;获得”,多指成就、目标、幸福的取得Hefailedtoobtainascholarship.他没有获得奖学金Ifinallymanagedtoobtainacopyofthereport.我终于设法弄到了这个报告的副本Weshouldtrytoacquiregoodhabits.我们应该努力养成好习惯Hefounditeasytoearnextramoney.他发现赚点额外收入很容易Butwecanonlyachieveittogether.然而,只有共同奋斗才能实现它【即学即用】完成句子1那位新闻记者立即着手获取这些重要的事实Thejournalistimmediately____________________________theseimportantfacts.2知识可通过学习获得Knowledgecan_______________throughstudy.【课堂小结与反思】【课后作业与练习】一.单词拼写1.Therearefifty-sevenstudentsinourclass_________总共2.Wedifferabout________道德的standards.
3.Thechairmanwasquitefamiliarwiththe__________程序conductingameeting.
4.Thescientistshavemademanygreat_________突破ininthepast.fiveyears.
5.Themoviexxwasagreat_________(商业)success.
6.Thescientist_________承担theexperiment.
7.Thoughthetwinslookalikethey________不同inmanyaspects
8.HisfatherisafanofPeking___________京剧
9.Inthesecondexperimentthey_______获得averyclearresult.
10.________(确切)speakingthetrainwillarriveat9:15a.m.二.完成句子
1.不要因工程中的一些失误而让自己沮丧Don’tletyourselfbe______________bysomefailuresintheproject.
2.他获了奖多年的耐心和辛苦终于有了回报Hewontheprize.Yearsofpatienceandhardworkeventually_______________.
3.许多村民反对在这个地区建电厂Manyvillagers_______________thebuildingofapowerstationinthisarea.
4.因为他们来自不同的国家语言和风俗彼此有差异Theirlangueandcustoms__________eachotherastheyarefromdifferentcountries.
5.我祖母70多岁了;我母亲和我不时去看望她Mygrandmotherisover70;mymotherandI________________tohernowandthen.。