2. 外语
  3. For this part, you are requested to write an essay on the topic Computer Networks in three paragraphs. The first sentence of eac

For this part, you are requested to write an essay on the topic Computer Networks in three paragraphs. The first sentence of eac

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问题    For this part, you are requested to write an essay on the topic Computer Networks in three paragraphs. The first sentence of each paragraph has been given below:
   (1)Computer networks have enabled us to do a number of things more easily and quickly.
   (2)However, if not properly dealt with, Internet would bring problems too.
   (3)Therefore, the safety of networks has increasingly become a public concern.
   You should write about 120 words, not including the words given.
选项
答案 Computer Networks Computer networks have enabled us to do a number of things more easily and quickly. There is no doubt that the greatest invention in last century is computer. Now computer networks are playing an important and indispensable part in all the aspects ranging from scientific research to our daily life. By means of computer networks, we can have access to almost all kinds of information and do almost all kinds of things. However, if not properly dealt with, Internet would bring problems too. Besides its convenience, it can contribute to many problems. For example, some people may use Internet to commit crimes. Besides the information we need, there is always plenty of harmful information on the Internet. Some young people are so addicted to Internet that they can by no means pull themselves out of it. Therefore, the safety of networks has increasingly become a public concern. That’s not surprising why many people put forward that we should establish laws to make better use of its advantages and to reduce its disadvantages. We should not only take reasonable measures to regulate people’s actions over the net, but also try to create a clean and safe Internet environment.
解析 写作要点：
   (ⅰ)  对于段首句作文来说，写作的关键是审清各段首句。首先找出各段首句中的关键词，仔细斟酌每个段首句的内硒和外延，联系文章的标题和主旨，分析段首句之间、段与段之间的关系，再由段首句将段落展开。
   (ⅱ)注意每段内容的展开与段首句在意义和文体上保持一致、形式上互为统一，切忌偏离主题。
   (ⅲ)注意格式和语域。语言应当规范，逻辑应当严密。
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