閱讀下面的短文，然后將劃線部分的句子譯成漢語或英語。
    The internet is educational.（1）  很多人認(rèn)為青少年應(yīng)該被允許上網(wǎng)。In this way，they can look through different subjects on different kinds of websites according to their interests.But in my opinion，children should always be watched while surfing the Internet.
    Many websites have information and pictures that children should not see.There are many things that children don't understand. （2） These things will have a bad influence on the children's development.
    Also，it is dangerous to let children use chat rooms by themselves.Many parents tell their children not to talk to strangers on the street，and they should be careful of whom their children talk to on the Internet too.What's more， （3） 在電腦前坐很長(zhǎng)時(shí)間對(duì)孩子們的眼睛不好，so parents should monitor（監(jiān)控） the time that children spend on the Internet.
    In a word， （4） Parents should keep children away from anything that could be bad for them. I believe it is necessary for parents to watch their children when they surf the Internet.

（1）

Many people think teenagers should be allowed to surf the Internet.

Many people think teenagers should be allowed to surf the Internet.

（2）

這些事情將對(duì)孩子的發(fā)展有不良影響。

這些事情將對(duì)孩子的發(fā)展有不良影響。

（3）

Sitting in front of a computer for a long time isn't good for children's eyes

Sitting in front of a computer for a long time isn't good for children's eyes

（4）

父母應(yīng)該讓孩子們遠(yuǎn)離任何對(duì)他們有害的事物。

父母應(yīng)該讓孩子們遠(yuǎn)離任何對(duì)他們有害的事物。