第二部分：閱讀判斷

下面的短文后列出了7個(gè)句子，請(qǐng)根據(jù)短文的內(nèi)容對(duì)每個(gè)句子做出判斷：如果該句提供的是正確信息，請(qǐng)選擇A;如果該句提供的是錯(cuò)誤信息，請(qǐng)選擇B;如果該句的信息文中沒有提及，請(qǐng)選擇C。

Some Schooling on Backpacks

According to the U.S. Consumer Product Safety Commission. 5.900 kids were treated at hospital emergency rooms, clinics, and doctors’offices last year for sprians(扭傷)and strains caused by backpacks. Such injunes are so widespread that more than 70 percent of physicians as a potential clinical problem for children.

How do you avoid such problems? Choose bags that have wide, padded straps(有墊的背帶)and a belt. That will help transfer some of the weight from the back and shoulders to the hips. You should also tighten both straps firmly, so the pack rests about 2 inches above your waist. Also, remember to pack your bag with the heaviest items closest to your back and to bend both knees when you pick it up.

I low much should you stuff into your pack? That depends on your size and strength, but a general rule is not to exceed 20 percent of your body weight. So if a child weights 100 pounds, the backpack and its load should not be more than 20 pounds. One hint: Make frequent trips to your locker(儲(chǔ)物柜)to exchange books between classes.

Backpacks with wheels let you pull the weight along the ground,but they have problems too. Many are larger than the average shoulder bag, so students are tempted to carry more than they would in a conventional pack.

Roller bags often don’t fit into a locker. They can also lead to tripping and falls in crowded halls. Whatever you use. 10 or 15 minutes of stretching and back strengthening is a good idea.

16.About six thousand American kids were injured by carrying backpacks last year.

A. Right

B. Wrong

C. Not mentioned

答案：B

17.70 percent of UK physicians have treated children with sprains and strains.

A. Right

B. Wrong

C. Not mentioned

答案：B

18.Backpacks with wide, padded straps and a belt can help to avoid problems of sprains and strains.

A. Right

B. Wrong

C. Not mentioned

答案：A

19.A 100-pound child should carry a backpack of more than 20 pounds.

A. Right

B. Wrong

C. Not mentioned

答案：B

20.Children should put all the books in their locker.

A. Right

B. Wrong

C. Not mentioned

答案：B

21.Roller bags tend to be heavier than ordinary backpacks.

A. Right

B. Wrong

C. Not mentioned

答案：C

22.A 10-15 minutes’exercise will help you bear a heavier backpack.

A. Right

B. Wrong

C. Not mentioned

答案：A

（責(zé)任編輯：vstara）

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