You are to write in three paragraphs according to the topic sentences of each paragraph given below. 1. Noise is becoming mo

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问题     You are to write in three paragraphs according to the topic sentences of each paragraph given below.
    1. Noise is becoming more and more dangerous.
    2. The noises can be very harmful.
    3. Drastic action must be taken if we are to reduce noise.
    You should write about 160-200 words neatly.

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答案 Noise Noise is becoming more and more dangerous. And all over the world the situation is getting worse all the time since noise increases with the population and the development of machines. The noises can be very harmful. We know that sounds of an ordinary city are loud enough to cause serious harm to the people’s hearing. But it is not only our hearing that is harmed. It has been known that loud noises, over a period of time, cause loss of sleep, anger, and many other problems. Such problems have been found among factory workers, prisoners in large prisons, and people who drive heavy trucks, operate loud machines, or often go to pop music concerts. And noise has increased greatly in the 20th century with the development of machines. We live surrounded by loud plants, trucks, buses, radios, machines—that make such loud noises day and night up to an un bearable degree. Drastic action must be taken if we are to reduce noise. Some countries are trying to make laws, others are urging manufacturers to make laws, others are urging manufacturers to build quieter machines. In order to make our world quieter, every government must make its own effort.

解析     这篇作文要求根据所给的段首句来分三段作文。因此,可以根据需要以每个段首句作为本段的主题句,该段的内容都围绕这个段首句来写。第一段是个总起全文的段落,应该在这一段总的写噪音带来了危害,起到一个总领全文的作用。第二段主要要求写噪音有些什么样的危害。这一段中,就可以多多举例,比如说噪音对听力的损害以及对身体、生活各个方面的影响。在这一段里,还可以进一步的写噪音危害的人群,成因,这样可以使本段的论点更具说服力。最后一段要求写应该采取的措施。这一段中,可以写有什么样的措施比较好,还可以加入自己的观点,如"...every government must make its own effort"。
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