3. commercial; commerce 4. straightforward 5. procedure
6. undertake 7. object; objection 8. moral; morally 9. accumulate;accumulation 10. retire；retirement 11. bother 12. assumption；assume 13. regulation; regulate; regular
制品） of you? Did you ever imagine of having the cure for heart disease or cancer? Well, these fantasies are not far from reach. The way we could reach these fantasies is through a process called cloning. Cloning is the replication of an exact genetic copy of an organism by use of a somatic tissue (or cell) from the donor organism. Cloning can be used in humans, human organs, or even animals. There are many advantages and disadvantages of cloning.
A benefit of cloning is cloning human organs or body parts. If a person has a dysfunctional（变形） liver or heart then they could get it cloned and get a brand new one. These are some of the
假设你班就科学家是否应该克隆人进行了讨论，20％的 同学赞成，认为其一：有利于促进该科学领域取得突破； 其二：克隆智力过人的伟大科学家，人类将拥有更多有非 凡贡献的人。80％的同学反对，因为这样违背社会道义， 克隆人没有父母，无法像正常人一样生活，试谈谈你的看 法。词数120字左右。
范文背诵 Did you ever imagine having a child that is the exact replica（复
①The way we could reach these fantasies is through a process called cloning.
②A benefit of cloning is cloning human organs or body parts ③Even though there are a lot of benefits to cloning, there are also a lot of disadvantages of cloning.
14. r5. merely; mere
benefits of cloning. Even though there are a lot of benefits to cloning, there are also a lot of disadvantages of cloning. One disadvantage is whether cloning is ethical. Cloning will bring up a great controversy on whether cloning is the “right” thing to do or not. This controversy is currently going on right now and will be even a greater controversy if the government allows cloning. Many people think that nature should just take its course. Other people think that cloning will be a very good thing to society. 句型背诵
7. ______ v. 反对；不赞成→ ______ n. 不赞成；反对；异议 8. ______ adj.道德（上）的;伦理的→ ______ adv.道德上地;伦理上地 9. ______ vt.&vi.积累;聚积→ ______ n.积累;聚积 10. ______ vi.退休;离开→ ______ n.退休 11. ______ vt.打扰；vi.操心;n.烦扰 12. ______ n.假定；设想→ ______ v.以为；设想；承担；呈现 13. ______ n.规则，规章;法规→ ______ v.规范；调节 → ______ adj.定期的，有规律的;正规的 14. ______ vt.抵抗，对抗→ ______ n.抵抗，反抗；抵抗力 → ______ adj.有抵抗力的 15. ______ adv.仅；只；不过→ ______ adj.仅仅的 答案：1. differ;different; difference 2. exact；exactly
1. _______ vi.不同；相异 → _______ adj.不同的 → _______ n.不同;不同之处 2. _______ adj.精确的;准确的 → _______ adv.精确地，准确地 3. _______ adj.商业的；贸易的→ _______ n.商业；贸易 4. _______ adj.简单的;直接的;坦率的 5. _______ n.程序;手续;步骤 6. _______ v.着手;从事;承担