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20.在一次英语班会上,你班同学讨论了克隆的利与弊的问题.请你根据以下信息写一篇短文介绍讨论情况.
大约35%的同学认为应该进行克隆大约65%的同学不认为应该进行克隆
1.克隆治疗疾病1.引发道德问题
2.挽救灭绝物种2.基因多样性丧失,不利生物生存
3.增加农业产量3.克隆技术被坏人利用就会非常危险
注意:
1、词数:100左右.短文开头已给出,但不计入总词数;
2、内容可适当发挥,注意行文连贯.
3、参考词汇:多样性diversity,产量output,基因 gene
We've had a discussion about whether cloning should be carried out.Opinions are divided on the question.                                

分析 本篇书面表达属于图表类作文,根据提示信息在一次英语班会上,你班同学讨论了克隆的利与弊的问题.请你根据以下信息写一篇短文介绍讨论情况,写作时注意以下几点:1、仔细阅读有关提示,弄清试题提供的所有信息,明确几个要点:分别从不同观点和理由两个方面来讨论该话题 2、图表是文章的总体框架,要在图表的范围内进行分析、构思和想象.要依据提示情景或词语,按照一定逻辑关系来写.本文写作时可以按照要点所给的顺序写.3、根据要表达的内容确定句子的时态、语态;就本文而言应该用一般现在时态.4.注意使用高级词汇和句式,以增加文章的亮点.
【亮点说明】本文结构紧凑,层次分明,而且使用了多种表达:First of all首先;be of importance重要的;However然而;For example例如;Furthermore而且;What's worse更糟的是;take advantage of 利用;
Scientists can clone healthy cells,which can help doctors cure patients.(高分句型一)
Another advantage of it is increasing agricultural output,which is of great importance in our country.(高分句型二)
What's worse,if the technology of cloning is taken advantage of by evil leaders,it will be very dangerous.(高分句型三)

解答 We've had a discussion about whether cloning should be carried out.Opinions are divided on the question.
      About 35 percent of the students think there are more advantages.First of all,cloning can be used in the medical field.Scientists can clone healthy cells,which can help doctors cure patients.(高分句型一)Also,cloning extinct animals has always excited scientists.Another advantage of it is increasing agricultural output,which is of great importance in our country.(高分句型二)
      However,about 65 percent of students hold the opposite view.For example,there is doubt about whether cloning is moral.Furthermore,diversity in genes is essential for animals to overcome diseases.A group of cloned animals would all have the same arrangement of genes.What's worse,if the technology of cloning is taken advantage of by evil leaders,it will be very dangerous.(高分句型三)

点评 英语写作是一项主观性较强的测试题.它不仅考查学生的写作基础而且还考查学生在写作过程中综合运用语言的能力.在撰写时要注意主谓语一致,时态呼应,用词贴切等.要提高英语写作水平,需要两方面的训练:一是语言基础方面的训练,要有扎实的造句、翻译等基本功,即用词法、句法等知识造出正确无误的句子;二是写作知识和能力 方面的训练以掌握写作方面的基本方法和技巧.

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