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