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1、Unit2CloningLanguagepointsWarming-upandpre-reading1.clonen.[c]克隆的產(chǎn)物vt克隆【exercise】(1)Dollythesheepisa_______.(2)_______plantsisstraightforward.(3)Dollyisa______sheep.cloneCloningcloned1.differvi.觀察示例:Inpairs,lookatthesepicturesanddiscusswhichonesarenaturalclonesandwhichonesa
2、reman-made.Explainhowtheydiffer.zxxk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。重點單詞/詞組1)ChinesediffersgreatlyfromEnglishinpronunciation.(漢語與英語在發(fā)音上有很大的不同。)2)Modernairplanesdifferfromearlyones.(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。)Theydifferw
3、itheachotheronmoralstandards.(關于道德標準,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,wi
4、th,on,about,upon或in填空。(1)Wediffer_________him______________thatquestion.from/withon/about/upon(2)Thetwonationsdiffer__cultureandreligion.(3)Theclimateherediffer_________thatoftheSouth.infrom/with1.Itisawayofmakinganexactcopyofanotheranimalandplant.exactadj.確切的,精確的Iwanttokno
5、wtheexacttime.exactlyadv.確切地,正是;恰好他們的回答完全一樣。Theiranswersareexactlythesame.那正是我所期待的。That'sexactlywhatIexpected.2.undertakevt.(undertook;undertaken)觀察示例:Theprocedureisdifficulttoundertake,ofcourse.當然,這個過程很難實施。Thescientistundertakestheexperiment.科學家從事這項實驗。zxxkIcanundertakether
6、esponsibilityforthechanges.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,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).undertooktasknewaaundertakejourney3.payoff(事業(yè)、計劃等)成功觀察示
7、例1.Atlastthedeterminationandpatienceofscientistspaidoff…..最終科學家們的決心和耐心得到了回報….2.Hepaidoffthecrewoftheship.他付清全體船員的工資并將他們解雇。Intheendhepaidoffallhisdebts.最終他還清了所有的債務。歸納拓展:payoff有三個義項:成功;付清薪水并解雇;償還(債務等)。payback報答;報復zxxk用介詞back,off,to,填空:1)-----youreffortissuretopay_____.----Tha
8、nkyouforyouencouragement(2)Thesupermarket________whichhehadeverpaidavisit,wasburnt