Internet is educational.  Many people think children should be allowed to surf the Internet as they wish.  In this way, they can look through different subjects on different kinds of websites according to their own interest.  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.  All of these may have some bad ①___ on children’s development.  Also, it’s dangerous for children to chat with strangers alone.④Many parents tell their children that they shouldn’t talk to strangers on the street, so③they should be careful of whom their children talk to on the Internet, too. What’s more,  sitting in front of a computer for a long time isn’t good ②___children’s eyes, so parents should monitor（监视）the time that children spend on the Internet.
In a word, children should be kept away from anything that could be bad for them. I strongly believe that it is necessary for parents to watch their children when they use the Internet.
在文中①、②处填写一个单词，使得句意完整、上下文通顺。____  _______
文中划线部分③的(they)指代的是___________
从文中找出一个描述Internet的形容词。_____
写出文中④句的同义句，每空限填一词。
Many parents tell their children______  _______talk to strangers on the streets.
Is the Internet educational all the time?____________________.

科目 英语   题型 阅读理解   难度 中等