人教课标版高中英语选修8unit2warming-up-and-reading-(共16张)课件

1、Unit2 cloningwarming up and reading 12022/9/29Unit2 cloningwarming up and reClone? Natural cloneMan-made cloneNatural clone is one that occurs from the “parent ” in a natural form of cloning without human help. Man-made clone is one produced through human intervention(介入) .22022/9/29Clone? Natural c

2、loneMan-made c32022/9/2932022/9/27TwinsThey are born naturally and identical in sex and appearance.42022/9/29TwinsThey are born naturally aA strawberry plantThe new plants that grow from the runners are exact copies of the original plant.52022/9/29A strawberry plantThe new plan1996 cloning sheeps620

3、22/9/291996 cloning sheeps62022/9/2001 cloning cattle72022/9/292001 cloning cattle72022/9/2我国成功繁殖克隆兔 体形要比普通兔大许多2002年5月中旬成功地繁殖了一只胚胎细胞克隆兔。82022/9/29我国成功繁殖克隆兔 体形要比普通兔大许多2002年5月822002 cloning cats92022/9/292002 cloning cats92022/9/272002年4月十六日美国第一头克隆牛“艾米”产下牛犊喜作妈咪。102022/9/292002年4月十六日美国第一头克隆牛“艾米”产下牛犊喜作妈

4、咪2005 cloning dogs112022/9/292005 cloning dogs112022/9/271. What is the main topic? A. Cloning. B. Dolly the sheep . C. It will lead us to some places.2. What is the writing style? A. Expositive(说明性的). B. Descriptive. C. Argumentative(议论性的).Cloning: Where is it leading us?A A Scanning122022/9/291. W

5、hat is the main topic?ClonIt happens both in _ and in _. They can be cloned by _ and _.plantsanimalsthemselveshumansNatural cloneMan-made clonePara 1: The definition of cloning132022/9/29It happens both in _ anPractice activity: Debate Are you in favor of cloning or against cloning? What is your point of view on it?142022/9/29Practice activity: Debate A1. Translate the procedure of cloning Dolly the sheep into Chinese.2. Finish the Ex.1, 2, 3 on Page13.Homework 152022/9/291. Translate the procedure of 3. Write a short passage about the advantages and disadvantages of cloning. At t