问题
填空题
Questions 9-13
·You will hearfive speakers talking about advantages or disadvantages about cloning.
·For questions 9-13, choose from the list A-F which advantage or disadvantage they are talking about.
·Use the letters only once. There is one extra letter which you do not need to use.
9. Speaker 1: ______
10. Speaker 2: ______
11. Speaker 3: ______
12. Speaker 4: ______
13. Speaker 5: ______
- A. The element of uncertainty
- B. Reverse the aging process
- C. Helping infertile couples
- D. Potential benefits to modern medicine
- E. Improving food supply
- F. The potential for abuse
答案
参考答案:A
解析:[听力原文]
While the cloning of Dolly was seen as a success story, many embryos were destroyed before the desired result was achieved. The process started with 277 eggs, and Dolly was the single successful outcome. Regardless of success in other areas, the field of cloning still has a long way to go. Infertile couples for example, could go through the same heartache as they would if in vitro fertilization failed.