新人教版選修八 Unit 2 CloningLanguage Points課件.ppt

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1、Unit2CloningLanguagepoints1.differvi.觀察示例:Inpairs,lookatthesepicturesanddiscusswhichonesarenaturalclonesandwhichonesareman-made.Explainhowtheydiffer.兩人一組,觀察圖片并討論哪些是自然無性繁殖,哪些是人工的。解釋它們的區(qū)別。A：重點單詞1)ChinesediffersgreatlyfromEnglishinpronunciation.（漢語與英語在發(fā)音上有很大的不同。）2)Mo

2、dernairplanesdifferfromearlyones.（現(xiàn)代飛機跟早期的在很多方面有所不同。）3)Idifferwithhimhowtosolvetheproblem.（對于如何解決問題,我跟他的意見不一致。）Theydifferwitheachotheronmoralstandards.（關(guān)于道德標準,他們的見解不同。）歸納拓展：differ(vi.),主要有兩個義項：“不同,相異；不同意,意見相左”。常見的搭配有：1).sb.differfrom/withsb.on/upon/aboutsth.;(某人與某

3、人在....方面意見不同)2).sth.andsth.differin…;（某物與某物在....方面不同）3).sth.differfromsth.（某物與某物不同）4.difference(n.)不同different(adj.)不同的即時練習：用介詞from,with,on,about,upon或in填空。(1)Wediffer_________him______________thatquestion.from/withon/about/upon(2)Thetwonationsdiffer__cultureandre

4、ligion.(3)Theclimateherediffer_________thatoftheSouth.infrom/with漢譯英：這個小男孩在性格方面不同于他的母親。Theboydiffersfromhismotherincharacter.2.undertakevt.(undertook;undertaken)觀察示例:Theprocedureisdifficulttoundertake,ofcourse.當然,這個過程很難實施。Thescientistundertakestheexperiment.科學家從事這

5、項實驗。Icanundertaketheresponsibilityforthechanges.我愿意承擔這些變革的責任。Thelawyerundertookanewcase.那個律師接了一個新的案子。undertake是及物動詞,主要有兩個義項:著手做,從事,進行;擔任,承擔,答應(yīng),同意。歸納拓展：即時練習：完成下列句子。(1)Hewill__________________nextmonth(去旅行).(2)He____________________(承擔一項新任務(wù)).undertooktasknewaaundert

6、akejourney3.disturbingadj.觀察示例:ThencamedisturbingnewsthatDollybecameseriouslyill.然后傳來了多莉得了重病的令人煩惱的消息。Thenewsfromthefrontisverydisturbing.來自前線的消息令人極為不安。歸納拓展：disturbvt.擾亂,使不安,弄亂;disturbedadj.被擾亂的,動亂的,不安的；disturbingadj.令人不安的。特別提示:現(xiàn)在分詞表示:令人怎么樣,過去分詞表示:被使得怎么樣,感到怎么樣。如:an

7、interestingstory令人感興趣的故事aninterestedlook感到興趣的表情surprisedpeople(感到)驚奇的人們即時練習：用disturb,disturbing,disturbed填空。(1)I’mvery_________aboutAlice.(2)Don’t_______thepapersonmydesk.disturbeddisturb(3)Thiscountryisina_________state.(4)What_________newsitis!(5)Alightwind_____

8、____thesurfaceofthewater.disturbingdisturbingdisturbed4.object(v.)&objection(n.)觀察示例:Ontheotherhand,Dolly’sappearanceraisedastormofobjectionsandhadagrea