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Since the first cloned mammal Dolly was produced, the issue of human cloning has aroused heated debate all over the world. You a
Since the first cloned mammal Dolly was produced, the issue of human cloning has aroused heated debate all over the world. You a
admin
2013-11-29
51
问题
Since the first cloned mammal Dolly was produced, the issue of human cloning has aroused heated debate all over the world. You are to write an essay of about 400 words on the following topic.
HUMAN CLONING OR NOT?
In the first part of your writing you should present your thesis statement, and in the second part you should support the thesis statement with appropriate details. In the last part you should bring what you have written to a natural conclusion or a summary.
Marks will be awarded for content, organisation, grammar and appropriateness. Failure to follow the above instructions may result in a loss of marks.
Write your composition on ANSWER SHEET FOUR.
选项
答案
HUMAN CLONING OR NOT? With the development of cloning technology, the debate over human cloning has been intensified. Proponents of human cloning believe that this technology will benefit those couples who cannot have children. However, I insist that human cloning should be banned for the following reasons. First of all, biological problems underlying cloning are so complex that human cloning is unsafe. It is well known that animal cloning has a high rate of failure. Many animals are born dead or deformed. Even if some survive, they may have defects from which they will die of later on. It was reported that the cloned mice that appeared normal showed evidence of genetic mutation. This is because the regulatory mechanisms, which occur normally during development, are disturbed during the process of cloning. We simply do not have enough knowledge about cloning and the technology at this stage. If we clone humans, we may produce many abnormal kindred, which will be nothing but a disaster to our human kind. Moreover, human cloning will bring some social and moral problems. For example, those couples who are unable to have children might choose to have a copy of one of them (e. g. a copy of the husband). However, how should the wife react to a physical copy of her husband who she is in love with? In addition, when the copy meets friends or relatives of the original, these people will confuse the original with the copy. How they should treat the copy would be another problem. Besides identity, his social status would be a great headache to the society. In conclusion, human cloning should be prohibited in the world because it is scientifically unsafe and will trigger social and moral crises. Any attempt to clone humans is an irresponsible action to human life and should be severely punished.
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专业英语八级
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