新人教选修8Unit2CloningReading课件(2939KB).ppt

C. A woman would have difficulty recognizing her real husband. D. Men will die out because a woman can give birth to a baby without a husband. 8. The sheep that donated the somatic cell most probably lived ____ years. A. 3 B. 6 C. 9 D. 12 推理判断 9. Which of the follow is NOT a problem or danger of cloning mentioned in the text? A. Evil leaders may want to clone themselves. B. Animal clones may develop the illness of older animals and may die younger than the donor animals. C. There are moral objections to cloning human beings. D. Too much cloning may lead to the destruction of the balance of nature. 10. Which of the following is not an advantage of cloning? Cloning can be used for medical purposes. B. Large quantities of food can be produced by cloning. C. Famous persons who have passed away can be cloned. D. Cloning can help keep animals from becoming extinct. 11. In the second paragraph, the word “straightforward” means ____. A. uncomplicated B. honest C. frank D. difficult 12. We can infer from the last three paragraphs that ___. The normal development of Dolly had no effect on the cloning of other species. B. Dolly’s serious disease and final death disturbed the whole world. C. Dolly successfully cloned a new lamb with the help of cloning scientists. D. There were arguments about animals about animal cloning and concerns about the future of cloning. 13. What about the writer’s attitude toward cloning in this passage? The writer is against cloning. The writer is in favor of cloning. The writer does not state any personal opinion about cloning. The writer is in agreement with cloning. Find the main idea of each paragraph. Cloning is a way of making an exact copy of another animal and plant. Cloning has two major uses. The problems of Dolly. The effect of Dolly. It is forbidden to clone human beings.