请根据以下任务说明和写作要求,写一篇150词左右的英语短文
阅读材料：
Advantanges and disadvantages of the Internet
Fufteeb years ago,the Internet was unheard of by most people.Today,the Internet is one of the most powerful tools throughout the world.The Internet is a collection of various services and resources.
Many fear the Internet because of its disadvantage.They claim not to use the Internet because they are simply not interested or are afraid of the possible consequences.Children using the Internet has become a big concern.When children talk to others online,they do not realize they could actually be talking to a person who may harm them later.There are many examples that children have been convinced to meet people they have talked with online.
The most common thing the Internet is used for is research.Children and students are among the top ones who use the Internet for research.Today,it is almost required that students use the Internet for research.Another popular thing to do on the Internet is to check out the news.Aalmost all-local news can be got through the Internet.
任务要求：你要参加一场英语辩论赛,主题是：“中学生该不该上网”.在参赛之前,你要查阅相关资料,并准备你的辩论发言.请认真阅读下面的短文,然后完成以下的任务.
1.概括短文的内容要点,该部分的字数为30词左右；
2.就“中学生该不该上网”这个主题发表你的看法,至少包含以下的内容要点,该部分的字数为120词左右.
a) 因特网给人们带来的好处；
b) 举例说明迷恋上网的害处；
c）你的建议.
写作要求：你可以使用实例或其它论述方法支持你的论点,也可以参照阅读材料的内容,但不能抄袭阅读材料中的句子.