议论文模板：四段式------两边倒：讨论某观点或事物的利与弊

　　1. 开头：背景+题干改写

　　2. 利

　　3. 弊

　　4. 结论

　　With the rapid development of computers, Internet has become increasingly popular in our daily life. However, as a coin, everything has two sides, and ------is of course no exception.

　　Some people hold the opinion that Internet has a considerable number of advantages. To begin with, ------. In addition, ------. Nevertheless, others take the opposite viewpoint that Internet has many unfavorable aspects. For one thing,------. For another, ------.

　　To sum up, in my opinion, Internet is nothing but a double-edged sword. We should take advantage of one edge and try not to be hurt by the other.

　　范文欣赏：Advantages and Disadvantages of Internet

　　With the rapid development of computers, Internet has become increasingly popular in our daily life. However, as a coin, everything has two sides, and------ is of course no exception.

　　Some people hold the opinion that Internet has a considerable number of advantages. To begin with, Internet, as a fantastic informationexpressway, provides tremendous most updated knowledge and information and greatly enriches our daily life. In addition, it brings much convenience and to a great extent, facilitates our daily life. To illustrate, we can almost do everything online by just staying at home. We can shop on the Website, order books, reserve hotel rooms, and hunt for a job. And we can buy and sell stocks on the net, conduct e-business and send e-mails as well.

　　Nevertheless, others take the opposite viewpoint that Internet has many unfavorable aspects. For one thing, the frequent outbreak of computer viruses bring many troubles and immeasurable loss to us computer users. For another, there is always unavoidable pornography on the Net, which does great harm, especially, to physical and phychological well-being of the youngsters.

　　To sum up, in my opinion, Internet is nothing but a double-edged sword. We should take advantage of one edge and try not to be hurt by the other.

编辑：张雨

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