10．I was very fat two years ago and all my friends advised me to lose some ______(体重)．

[答案]

9．Even after hours of work, his ______(精力) never seems to give out.

8．The diet of many westerners ______(含有) a lot of cakes, soft drinks and sweets.

7．The doctor asked the patient to lie down and began to ______(检查) him carefully.

6．The brain performs a very important ______(作用); it controls the nervous system of the body.

5．The story is ______(基于) on a true story.

4．In order to keep the ______(平衡) of nature, we must protect some animals in danger.

3．It was a funny sight that the children lay flat on their ______(肚子)．

2．Have you ______(吸收) everything that is important in the book?

1．The work progressed at a slow ______(速度)．