2022年高中英語 Unit 2 Cloning III Using Language導(dǎo)學(xué)案 新人教版選修8Step 1 Vocabulary： Preview the new words and phrases of this text.1._ 使.刻骨銘心2. 分娩3. 不時；偶爾 4. 徒勞5. 將某物傳遞給某人 6. _死于 7. _注定 8 . _過著.的 生活9. _以.為基礎(chǔ) 10. _ 弄清楚Step 2 Warming up1. Do you know dinosaurs? Where have you seen them? Can you see them in our real life? Why?2. Do you think it is possible to clone dinosaurs? If yes, do you think thats good for human beings? Why?探究案Step3 Reading Task 1: Fast reading Do the author believe the dinosaurs can return to the earth?Task 2:Careful readingGive some reasons why it is either impossible or unsuitable to clone extinct animals.Reason 1: _ is needed.Reason 2: There is not enough _ in the group to _.Reason 3: A (n) _ would be needed for the cloned extinct animals.Task 3. prehendingAnswer the following questions:1. Why shouldnt you clone an extinct animal if there isnt enough diversity in the group? _.2. Why is it wrong to clone an extinct animal if it would have to live in a zoo? _.3. Why cant you clone the DNA of animals that have been extinct longer than 10,000 years? _.訓(xùn)練案Task 4 Exploring 1.Choose synonyms（選擇同義詞）1. It proves how the idea struck a mixture of fear and excitement into peoples hearts. A. Have on the brain B. Confused C. Droved people crazy D. Scared2. From time to time people suggest that extinct animals A. There was a time when B. Occasionally C. All the time D. Each time3. People suggest that dinosaurs, can possibly be brought back to life. A. Kept up B. resist C. live on D. relived4. The initial requirement is that you need perfect DNA. A. Most thankful B. most pressing C. most difficult D. original and basic5. All efforts of cloning an animal will be in vain if there is not enough diversity. A. Go to waste B. useless C. helpless D. meaningless6. Others will pass on the ability to resist that disease. A. oppose B. slide C. hire D. indicate7. The chance of dinosaurs ever returning to the earth is merely a dream. A. only B. surely C. abruptly D. miserably 2. Read the text again, find out the sentences and analyze them. (重點、長難句分析)1. 【原句再現(xiàn)】The popularity of the film Jurassic Park, in which a scientist clones several different kinds of extinct dinosaurs, proves how interested ordinary people are in the subject.譯：_.句式透析in which引導(dǎo)_, 修飾_。how引導(dǎo)_?！靖呖兼溄印縈any people who had seen the film were afraid to go to the forest when theyremembered the scenes _ people were eaten by the tiger. (05廣東) A. in which   B. by which     C. which      D. that2. 【原文再現(xiàn)】From time to time people suggest that the animals that have disappeared from the earth, like dinosaurs, can possibly be brought back to life through cloning. 譯：_.【歸納總結(jié)】from time to time_，_，_，等于_,_。即時翻譯: （1）他有時變得很沒有道理。_.（2）他們有時吵架。 _.3. 【原文再現(xiàn)】It is useless to clone an animal if there is not enough diversity  in the group for it to overe illnesses. 譯：_.句式透析當(dāng)_、_或_作主語時, 通常把它們放在謂語之后, 而用_作句子的形式主語。即時練習(xí) (1)_ will take you a lot of time to find him in the crowd. A. It B. I C. WeD. They (2)How long _to finish the work? A. youll take    B. will take you C. youll take it  D. will it take you (3)_ needs further discussion whether well build a library or not. A. We B. He C. It D. That 4.【原文再現(xiàn)】Diversity in a group means having animals with their genes arranged in different ways.  譯：_. 句式透析 with their genes arranged in different ways作_, in different ways 意思是_。5. 【原文再現(xiàn)】.but others will survive and pass on the ability to resist that disease to their children.譯：_.歸納拓展: resist作及物動詞主要有三個義項：_，_；_；（與cannot， could not 連用）_,_。即時翻譯: (1)我無法抵擋巧克力。_.(2)他們決定留下來抵抗敵人。_.6. 【原文再現(xiàn)】Based on what we know now,  you can not clone animals that have been extinct longer than 10000 years. 譯：_.提示：base on/upon_，_，其結(jié)構(gòu)為_或_。 即時翻譯: （1）這種結(jié)論是怎么得來的？ _.（2）據(jù)我所知，他只上了三年學(xué)。 _.