1 . 根据提示，完成下面的语篇。

    1    (随着网络购物的迅速发展)，there appear a number of problems including     2     (身份盗窃). There is no denying that online shopping brings us     3    (convenient) along with disadvantages.     4     (牢记以下建议).

Firstly, it is     5     (非常有益) use strong passwords，which are hard to crack. Furthermore, do not use public computers to shop online or click on unfamiliar links，    6    (以防你的私人信息被轻易泄露).

Just as the saying goes, “Better safe than sorry.” Hope the network can serve us better and more safely.

2 . 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).

3 . 课文填空

... It is not unusual for     1     computer games and the online world ... Some students even     2     and cannot,     3    . ...

Tourism can be both good and bad. Yes it     4     and     5    , but it may also bring some problems.

4 . 根据汉语提示用本单元词汇的正确形式填空

The combination of mobile phones and the Internet has brought us a lot of     1     (益处；好处), such as online shopping, information searching, keeping track of events, chatting... It is so powerful that it seems as if by     2     (按开关) nothing can’t be done. It even     3     (起……作用) our closest friend, our assistant, which     4     (陪伴我们) every day. So one phrase is born, “smart phone addict”. Wherever they are, this group of persons are buried in the phone, and completely cut off from the outside world.

    5     (这是常有的事), adults are busy with their own business, with their children watching cartoons or playing children’s games online. So absorbed are the children in it that they even ignore our greeting or interference. They     6     (点击) the buttons, laughing and screaming even with     7     (粗鲁的) words streaming out according to their own performance, which seems familiar to me.     8     (瞄准) children, the games are frequently     9     (更新). Long­time Internet use     10     (对……有害) children’s health and eyes. Children who wear glasses because of near­sightedness tend to be younger and younger. Moreover,     11     (既然) children lack communication with others, children’s personality development will also be badly shaped, with them becoming indifferent and even violent. Plus children’s performance in school is going from bad to worse.

Strict regulations must be made to protect children. First, children’s games     12     (被禁止) go online. Second, parents should be pressed to change their     13     (错误的；不正确的) attitudes towards children’s education. I sincerely hope a solid foundation can be laid for the future development of children.