•Always remember that people online may not be who they say they are. Treat (视为)everyone online as if they were strangers.

•If something you see or read online makes you uncomfortable(不舒服), leave the site. Tell a parent or teacher right away.

•Treat other people as you’d like to be treated. Never use bad language.

•Remember—not everything you read on the Internet is true.

根据短文内容，选择最佳答案。

6. The writer tells children to ________.

a. send their own photos to him

b. make rules for Internet use with parents

c. believe everything they read on the Internet

d. give out their personal information

7. It’s good for children to ________ on the Internet.

a. give password to others

b. get useful knowledge and information

c. give out a credit card number

d. go into a chat room as they’d like to

8. What shouldn’t be done when you are on line? ________.

a. Using bad language b. Sending messages and e-mails

c. Leaving the site if you feel uncomfortable

d. Treating everyone online as strangers

9. If your parents don’t agree, never ________.

a. read anything on the Internet

b. relax in your free time

c. have a face-to-face meeting with anyone you met online

d. treat other people as you’d like to be treated

10. The best title for this passage is “________”。

a. How to use computers b. Surfing on the Internet

c. Information on the Internet d. Internet safety rules

IV.任务型阅读(满分为10分)

What is the sky? ①This question is very difficult to answer.

The sky is a space where there is nothing except the sun, the earth, the moon and all the stars.

Scientists can look at them through telescopes(望远镜) and, in this way, they can find out a great deal(许多，大量). They know many facts about the moon. For example, they know how big and how far away it is.

②The moon is about 384,000 kilometers away from the earth. A plane cannot fly to the moon because there is no air. But a rocket can.

“How can a rocket fly?” If you want to know, get a balloon and then blow it up, until it is quite big. Do not tie up the neck of the balloon, let it go! The balloon will fly off through the air very quickly. The air inside the balloon tries to get out through the neck of it, which pushes(推动)the balloon through the air. It does not need wings(翅膀)like a plane.