卵巢子宫内膜异位症波及一侧卵巢者占________%，双侧均被波及者占_______

阅读短文，选择正确答案。

     Do you get enough sleep? With so much homework it's often difficult to get the rest you need. But you need

to try, because sleep keeps you healthy and it stops you getting fat.

     Recently, a group of US scientists did a study (调查) of kids aged between8 and 13. The study found that if

kids sleep for just one extra (额外的) hour each day, the chance of their getting fat is cut by about 30 percent

(30%).

     Why? when people don't get enough sleep, they become tired. When they are tired, they don't exercise

enough. Also, kids like snacks. If they are awake (醒着的) an extra hour or two each day, they have more time

to eat snacks or other unhealthy foods.

     So, how much sleep should you get? Scientists suggest 10 to 11 hours a night for kids aged 5 to 12. For

older kids, eight to nine hours will do.

1. How many reasons are given why people might get fat without enough sleep? [ ]

A. 3

B. 2

C. 1

2. If you are under 10, how long do the scientists advice you to sleep? [ ]

A. 10 to 11 hours.

B. 8 to 9 hours.

C. 8 to 13 hours.

3. Where was the study done by the scientists? [ ]

A. In China.

B. In Britain.

C. In America.

4. What does "eight to nine hours will do" mean? [ ]

A. Eight to nine hour's sleep will be good and enough.

B. Eight to nine hour's sleep will be too long.

C. Eight to nine hour's sleep will help get fat.

5. What does the passage talk about? [ ]

A. How to get long sleep.

B. How to keep fat.

C. Enough sleep makes people healthy and slim. (苗条)

课内阅读。     

       请原谅，我今年不能回家乡。并不是我不愿意去看望你们，正相反，我多么想看见你们天真的笑脸，多么想听见你们歌唱般的声音，但是我没有体力和精力支持这一次长途的旅行，那么就让这封信代替我同你们见面吧。

1．给下列划线字注音。   

     原谅(        )        支持(        )        旅行(        )        代替(        ) 

2．这段话主要写什么？

3．这封书信是作家         写给家乡                的信，表达了他对                                      的思想感情。

下列各项中，不属于认证依据的是( )。

A．相关技术规范

B．相关技术规范的强制性要求

C．相关技术规范的强制性标准

D．由国际标准组织推荐的相关技术报告

《海牙规则》规定承运人对货物每件或每单位的最高赔偿额为（）.

A.50英镑

B.100英镑

C.150英镑

D.200英镑