Do you often feel tired? Do you sometimes feel uncomfortable on your neck and back? It may because of the radiation (辐射) from your computer. If you spend three hours or more in front of a computer, you may feel terrible because of the radiation.

The safe amount of radiation is 25V/m. Do you know how much radiation our computers give off?

Keyboard: 1,000 V/m Mouse: 450 V/m

Monitor: 218V/m CPU: 170 V/m

Laptops: 2,500 V/m

Ways to protect yourself from harmful computer radiation:

1．Put some green plants on your desk. They can take in radiation.

2．Drink two to three cups of green tea a day and eat an orange daily. They keep us healthy.

3．Use a screen filter (屏幕过滤器) for your monitor.

4．Avoid having metal (金属的) objects near your desk.

5．Put the back of the computer to the wall. Most of the radiation comes from the back.

6．Keep your monitor at least 50 cm away from your face.

7．Allow fresh air to move around your computer room.

8．Eat healthily — especially fruit and vegetables.

9．Turn off your computer if you have to rest nearby.

1.Which of the following is the most dangerous?

A. Eating some junk food.

B. Being busy only on the computer.

C. Taking less exercise in a day.

D. Sleeping too much in a day.

2.What’s the first paragraph about?

A. To tell the danger of radiation.

B. To tell us what radiation is.

C. To tell why there is radiation.

D. To tell the importance of radiation.

3.Which part of a computer has the most radiation?

A. The monitor. B. The mouse.

C. The keyboard. D. The CPU.

4.How many pieces of advice are about eating?

A. One. B. Two. C. Three. D. Four.

5.What’s the purpose (目的) of this passage?

A. To tell us which kind of computer we should buy.

B. To show us how dangerous computers are.

C. To encourage us to use the laptops more often.

D. To tell us to get away from computer radiation.

语法填空：用所给单词的适当形式填空，未提供单词的根据上下文填入适当的词。

Kate, my pen friend, is a student at Sunny School. She works very hard, so she always gets 1. (good) grades than others.

She has some healthy habits now. However, 2. year ago, she was different from now. She often 3. (feel) tired after a day’s study, and she didn’t want to do any sports after school. Her parents wanted her 4. (exercise) every day. But she said that she didn’t like exercising. After dinner, her parents asked her to go 5. a walk with them, but she only stayed at home and read6. (book). On weekends, she never went out to play with her friends. She just spent her time 7. (watch) TV or playing computer games. That was8. (real) bad for her health. Her parents worried about her lifestyle.

One day, her teacher talked to her about her lifestyle9.asked her to change. Now she walks to school and exercises every day. On weekends, she often plays basketball with her friends. She thinks 10. is good for her to take exercise every day. It helps her to study better.

书面表达

假设你是刘宇，今天你们在街上做了一次关于“最美味的水果”的问卷调查并绘制了以下图表。请根据图表内容写一篇80词左右的作文，向大家汇报一下调查结果。开头已给出，不计入总词数。

Today we did a survey about “Nicest Fruit” on the street. ________________________

______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

I am going to tell my mother _____ I want to go to Wuhan.

A. what B. that C. where

They suggested _____ until the proper time.

A. wait B. to wait C. waiting

--____will Mr. White come from Australia? –In a week.

A. How long B. How often C. How soon

—Could you tell me the way ___ the railway station?

--Go along this road and soon you’ll find it.

A. at B. to C. in

Go out of the front door and ______, you will find the school.

A. take B. turn left C. take left

If you say “Excuse me…”, this is much _____ than you ask directly.

A. more polite B. polite C. more impolite

Lisa’s mother spends much time _____ the house every day.

A. cleaning B. cleans C. cleaned