Unit2CloningUsingLanguage-TheReturnoftheDinosaurs导学案- 高中英语人教新课标选修八.doc

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1、高三英语选修8Unit 2Cloning导学案Period 4 Using Language-The Return of the Dinosaurs?一学习目标1. To develop the students reading ability by skimming and scanning the passage.2. Learn to use the useful phrases and sentence pattern二 教学重点和难点To develop the students reading ability by skimming and scanning the passage

2、.三预习自测：Read the passage on P.15 and answer the following question.The writer of the text_ A. is excited by the possibility of cloning fierce and extinct animals B. believes that extinct animals can be brought back to life by cloningC. thinks it impossible or unsuitable to clone extinct animals like

3、dinosaurs D. dreams of dinosaurs returning to the earth四合作探究：探究一：Para. 1 1.What does the popularity of Jurassic Park prove? 2. Why does the writer think we are a long way from being able to clone extinct mammals? 探究二：Para2-3 Read the text and tell whether the following sentences are true or false. 1

4、.Scientists are still experimenting with cloning mammals because they think it can make money.（ ）2.The animals that have disappeared from the earth, like dinosaurs, can be brought back to life through cloning.( )3.If we can clone any extinct animals, we should let them live in a zoo.( )探究三：Give some

5、 reasons why it is either impossible or unsuitable to clone extinct animalsReason 1:Reason 2:Reason 3:四当堂检测1.The reasons why a group of cloned animals all die of the same illness do NOT include_. A. they have the same arrangementgenes B. there isnt enough diversity in the group for it to overcome il

6、lnessesC. the illness is a new oneD. their arrangement of genes can not resist that new disease2.We can infer from the text that_ A. scientists are experimenting to clone dinosaursB. dinosaurs will never return to the earthC. cloned animals will only live in the zooD. the DNA of dinosaurs can only s

7、urvive 10 000 year五总结提升：总结提升：例题：克隆成为了热门话题，在社会各个领域引起了广泛而激烈的争议。赞成克隆1、提高农作物的产量； 2、 拯救濒危动物；3、可用于医疗领域；使没有孩子的家庭获得欢乐；反对克隆1、克隆动物寿命短；2、克隆人使人类的伦理和道德关系等处于混乱状态；3、恐怖分子可利用克隆进行犯罪；写作任务：Give your opinion on cloning写作要求：要写明白自己的观点，层次要分明。写作建议：本单元主要讲述了“cloning”存在的 问题以及人们的态度，文中可适当就此进行发挥。give birth to / from time to time/ bringback to life/ lead a natural life/ be based on / Its useless to clone an animal