Question

During the day we work and play，and at night we sleep. Our body rests when we sleep. In the morning we are ready to work and play again. Our body grows most when we are asleep. Children who are tired usually need sleep. We can get better at our lessons after having plenty of rest. Boys and girls who are 8 or 9 years old need 10 hours of sleep every night. Our body needs plenty of air when we are asleep. If we do not get enough fresh air, we will feel tired when we wake up. While in bed we must not cover our head，our lungs need to get enough fresh air. If we open our windows at night，we can have plenty of fresh air. Cool air is better than warm air. Boys and girls who want to be strong must get plenty of sleep.（plenty of: 大量的、充足的）

阅读上面短文，选出正确的答案。（10分）

1.Our body grows most when we are _______.

A. eating    B. playingC. sleeping

2.How many hours of sleep should 9-year-old children have every night?

A. 8 hours.B. 9 hours.C. 10 hours.

3.If we don’t get enough fresh air, we will feel _______.

A. tiredB. hungryC. happy\

4.What do the lungs need most?

A. Warm air.B. Exercise.C. Fresh air.

5.Which kind of air is better when we sleep?

A. cool airB. Warm air  C. both A and B

Answer

1.C

2.C

3.A

4.C

5.A

【解析】

试题分析：我们白天工作和玩，晚上睡觉。我们的身体在我们睡觉的时候成长最快。疲倦的孩子通常需要睡眠。有足够的休息后，我们才能身体更棒、学得更好。8 、9岁的孩子每天需要10 个小时的睡眠。我们的肺需要得到足够的新鲜空气。否则醒来时会觉得累。凉爽的空气更好。

1.细节理解题。根据Our body grows most when we are asleep.可知，我们的身体在我们睡觉的时候成长最快。而不是吃东西或玩的时候。所以选C。

2.细节理解题。根据Boys and girls who are 8 or 9 years old need 10 hours of sleep every night.可知，九岁的孩子每天需要10个小时的睡眠。所以选C。

3.细节理解题。根据If we do not get enough fresh air, we will feel tired when we wake up.可知，如果我们不能得到新鲜的空气，醒来时会觉得很累。而不是饿或开心。故选A。

4.细节理解题。根据our lungs need to get enough fresh air.可知，我们的肺需要足够的新鲜的空气。而不是温暖的空气或锻炼。所以选C。

5.细节理解题。根据Cool air is better than warm air.可知，我们睡觉时，凉爽的空气比温暖的空气更好。故选A。

考点：科普类阅读。