文章大意：本文是一篇对话。文章主要记录了两人关于网络的讨论。
1 . 根据汉语提示完成对话。
(Situation：Steven and Julia meet on campus one day.They are talking about the network...)
Steven：Julia, what do you think of the network?
Julia：Network is common nowadays.It's quite convenient for people.You see, we can download music and information from the Internet; 1 (我们也可以在线学习).And the most of all, we can send, and receive emails.
Steven：Yeah, you are right. 2 (因特网使我们的生活更容易).But it's a twoblade sword.
Julia：What do you mean?
Steven： 3 (我是说网络带来很多好处), but also some disadvantages.For example, many youngsters are addicted to the games and they neglect their study; or some bad guys steal people's money online, etc.
Julia：I agree.But I think although it has some negative effects, 4 (但总体来说，网络的好处还是多于坏处的).
Steven：Yeah, you are right. 5 (但是我们必须知道如何好好利用它).
(Situation：Steven and Julia meet on campus one day.They are talking about the network...)
Steven：Julia, what do you think of the network?
Julia：Network is common nowadays.It's quite convenient for people.You see, we can download music and information from the Internet;
Steven：Yeah, you are right.
Julia：What do you mean?
Steven：
Julia：I agree.But I think although it has some negative effects,
Steven：Yeah, you are right.
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文章大意：本文是两段说明文。文章介绍了这一代青少年沉迷于网络，无法集中学校和家庭生活和旅游的好处与坏处。
2 . 课文填空
... It is not unusual for
Tourism can be both good and bad. Yes it
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