人教版第八册 Cloning (Reading).ppt

II. Read the text carefully and fill in the blanks. 1). The main idea of the text is____ A. animal cloning is very valuable and can benefit the world. B. animal cloning could be misused by bad people so it must be forbidden C. animal cloning is well developed because Dolly the sheep was born. D. animal cloning raised arguments and scientists are not sure about its future. 3). The cloning of Dolly the sheep succeeded because____. A. its easier to clone a sheep than other animals B. the scientists were determined and worked hard with patience C. the scientists were rewarded and got lots of money D. many other attempts to clone mammals failed 8). The sheep that donated the somatic cell most probably lived ____ years. A. 3 B. 6 C. 12 D. 13 13. What is people’s fear about human cloning? Which of the following is wrong? Cloned Hitlers would do harm to the world. Cloned people may be killed at will for medical aid. A woman would have difficulty recognizing her real husband. Men will die out because a woman can give birth to a baby without a husband. 1). Cloning means making a copy of an animal or a plant. 2). Gardeners can make a lot of money by cloning plants. 3). Cloning animals is as complicated as cloning plants. 3. 克隆技术有可能被滥用,成为恐怖分子的工具。 4. 从生物多样性上来说,大量基因结构完全相同的克隆人,可能诱发新型疾病的广泛传播,对人类的生存不利。 3. “克隆人绝对是科学上了不起的进步,克隆技术必将创造21世纪的辉煌。” —麻省理工学院生命工程教授约翰·布洛克 4. “人体商业化是人类经济活动中无与伦比的成就,毫无疑问,克隆技术的出现将为世人创造一个最为广泛和深远的市场。” —英国《经济学家》杂志。 Discussion What do you think is the writer’s view in this reading passage? 2. What’s your opinion of cloning? Give reasons. Homework 14. What can we know from the text? A. Twins are the result of natural clones. B. Cloning will b