外研版高中英语选修九Module2DNA-thesecretoflife课件.pptVIP

Every coin has its two sides. The DNA technology has its pros and cons too. On one side, I think the developments of genetic engineering are very exciting, because the new technology is changing our life. Scientists have found better ways to identify criminals, help human keep healthy, live longer and address diseases. On the other side, genetic engineering also brings about some negative aspects. If an athlete secretly change his genes, it is unfair for others. We need to be very careful before we make decisions on genetic engineering. We don’t know what consequences of these changes will be. * 学 科：高中英语 年 级：高三 课 程：DNA- the Secret of Life Reading and vocabulary (1) 版 本：外研版 DNA - the Secret of Life hereditary inherited illness investigate investigation genetics gene genetic engineering insert alter nature consequence consequently identify identification Words related to DNA 遗传的 遗传病 调查v. 调查n. 遗传学 基因 基因工程 插入；嵌入 改变自然 结果 因此，结果adv. 确定，鉴定v. 识别，身份证明 Part One: What is it mainly about? The Discovery of DNA. When Who What Influence DNA？Genes？ the way living things reproduce themselves. Influence Why is the discovery of DNA very important? The discovery of DNA _____________ (call) the most biological work of the last 100 years. It has already had and will continue to have an enormous influence ____ our lives. We have already experienced the _________ in many years. has been called on benefits Part 2 Stories related to DNA---- True or not？ A B C D A A B A C C D C A A B A B A C B A C B A D C B A A A B A B A C B A C B A D C B A What is Story A about? DNA testing was used in a criminal investigation. Should DNA testing be made a standard procedure in criminal investigations? Story B? Using a technology called genetic engineering, a couple had a highly intelligent, good–looking baby. Story C? Having been inserted an animal gene, Mark won all his races. Story D? Having been tested that the unborn baby would have a terrible, inhe