Many children think mobile phones are cool. Mobile phones have nice colours and you can use it to talk with a friend at anytime and anywhere. In the USA，more than 90 million people use mobile phones. Many of them are children. For children，mobile phones are more than phone calls. They are fashionable.
Most mobile phone users don't know that some health problems have something to do with using mobile phones. Some scientists say that mobile phones give off radiation(辐射) and it may be bad for users. One study shows that mobile phone radiation can make people get some kinds of cancers(癌症). Other scientists say mobile phones have nothing to do with people's health.
Scientists say that people can keep themselves away from mobile phone radiation. One way is to use an earphone(耳机). Or people can make shorter calls.
1. Many children like mobile phones because they think mobile phones are _______.
A. cool B. small C. cheap D. their toys
2.Which of the following sentences is TRUE?
A. All scientists think mobile phones are bad for users.
B. Some scientists think mobile phones are bad for users.
C. Mobile phones are only good to old people.
D. Mobile phones are only bad for children.
3.The underlined phrase “give off” in Paragraph 3 means" ______" in Chinese.
A.发出 B.放弃 C.拒绝 D.传播
4.People can ______to keep themselves away from mobile phone radiation.
A. make longer calls
B. use an earphone
C. use more mobile phones
D. use smaller mobile phone
Americans think much about time. From children they learn to value (珍视) time. As children they are taught to be on time to go to school, to work and to do everything. When they are having a good time, they say that time goes easily. When a person is dying, they say he is living on a borrowed time.
Time is money. Time is knowledge. Time is everything in America. A working American has to work hard for eight hours a day or forty hours a week. This is the working time. In his free time, he also works hard for more money. Even on Saturday and Sunday he also works hard as usual. In the street you can hardly see a man walking slowly. They walk very fast. In fact, they are running.
They love time because time can bring them money and lots of things. But sometimes they also hate time , because they feel they have become servants (仆人)of the clock.
1. What do the Americans mean by “ Time is money”?
A. If someone has time and works hard , he can make a lot of money.
B. It takes quite a lot of time to make money.
C. Working hard can bring people health.
D.It is not easy to make money.
2.Americans think it to be wrong_____
A. to work late
B. to get up early
C. to be late for school
D. to be on time to do everything
3. From this passage we can be sure that ___________.
A. Americans live in a quick rhythm(节奏)
B. Americans live a hard life
C. Americans are good at saving time
D. Americans always walk fast
阅读理解。（20分）
1.Where will you find information about Shanghai’s traffic problem?
A. In Chapter 7. B. In Chapter 6.
C. In Chapter 4. D. In Chapter 5.
2.Below is a diagram (图表) from the book .Between which pages can you find it?
A.P ages 46-58 B. P ages 32-46
C. P ages 17-32 D. P ages 71-86
3.Which of these may be the best title of the book?
A. The History of Shanghai.
B. The Geography of Shanghai.
C. Social Studies for Shanghai.
D. Something about Old Shanghai
Computers can injure (伤害) you. Most other injuries happen suddenly. For example, if you fall over a bike and break your arms, it happens very . But computer injuries happen slowly. You probably know how to ride a bike safely. Now learn to use a computer safely.
Your eyes light can injure your eyes, never sit too close to a computer screen. Your eyes should be 50 centimeters（厘米）from the screen. remember to look away from it. This gives your eyes a rest. When you use a computer, the window be on your left or your right. If it is behind you, the light will reflect on（反射）the screen. If the window is in front of you, the sun and the screen will shine into your eyes.
Your hands and wrists(手腕)
Hand and wrist injuries can happen because the hands and wrists are moved in the same way hundreds of times. If you use a keyboard for a long time, these three rules： 1）Rest your wrists on something. 2）Keep your elbows（肘）at the same height as the keyboard. 3）Stop sometimes and exercise your hands, wrists and fingers in a different way.
Your back
Some people sit for many hours in front of a computer. If you sit in the wrong way, you can injure your back or your neck. So you should sit with your back straight. The top part of the screen should be in front of your eyes. Your forearms, wrists, hands and the upper part of your legs should all be parallel（平行）to the floor. If you are sitting for a long time, get up every 30 minutes and your arms, legs and neck. your computer, but use it safely.
1.A. much quickly B. faster C. slowly D. quickly
2.A. Too many B. Too much C. Much too D. Many more
3.A. so B. because C. but D. when
4.A. at last B. at most C. at least D. less than
5.A. Sometime B. Some time C. Some times D. Sometimes
6.A. can B. may C. must D. should
7.A. both B. never C. all D. neither
8.A. follow B. work C. copy D. write
9.A. need B. exercise C. walk D. shake
10.A. Enjoy B. Watch C. Protect D. Keep
--Which month has______ days in a year? ----February.
A. few B. little
C. the fewest D. the least
When something_______ me, I always feel_______．
A. worry; worried B. worries; worry
C. worries; worried D. worried; worries
