Question

    Is sleeping longer during weekends good for you? Scientists 1. (mention) that this habit is bad for your health and can make you gain weight.

According to sleep experts (专家), sleeping longer during weekends is 2. (harm) to you because you might feel like you're catching up on sleep. But if you still sleep poorly during weekdays, you will feel 3. (sleep) and hungry more often. You might have no energy to focus 4. your work. Besides, you might eat more and gain some weight 5. (great).

Also, sleeping more during weekends can change 6. (you) biological clock (生物钟). If you get up l7. on the weekend, you might have breakfast, lunch and dinner later than usual. Eating later in the day also causes you to gain weight. How can you sleep better?

•Keeping your 8. (foot) warm can help you sleep. Put on 9. pair of socks before going to bed. This can help you fall asleep faster.

•Exercising regularly can help you sleep 10. (good).

•Keep your room as dark as possible.

Answer

1.mentioned

2.harmful

3.sleepy

4.on

5.greatly

6.your

7.late

8.feet

9.a

10.better

【解析】

主旨大意：本文是一篇说明文。主要针对周末人们睡眠时间比平时长这一现象进行分析，说明了周末睡眠时间长对身体并没有好处。
1. 句意为：科学家提出这个习惯对你的健康有害处并且可以使你长胖。根据语境可知，科学家提出这个观点是针对已经研究出来的成果而得出的，因此用一般过去时。故填mentioned。
2. 句意为：根据睡眠专家的观点，周末补觉对你是有害的……分析句子结构可知，此处为表语，应用形容词。故填harmful。
3. 句意为：如果你在周内依然没有睡好，你会更经常觉得饿和困。根据句意可知，此处表示“瞌睡的”，故填sleepy。
4. 句意为：你可能会没有精力集中于你的工作，focus on集中注意力于……，为固定搭配，故填on。
5. 句意为： 而且，你可能会吃得更多，并更容易长胖。修饰动词短语gain weight应用副词，故填greatly。
6. 句意为：还有，周末补觉会改变你的生物钟。空处修饰名词biological clock，需用人称代词的形容词性物主代词形式。故填your。
7. 句意为：如果你周末起得很晚的话，你的三餐也会比平时吃得晚。通读全文， 都在讲周末起的晚的坏处，同时根据首字母提示判断填late。
8. 句意为：让你的脚保暖可以帮助你的睡眠。根据常识可知此处用复数形式，故填feet。
9. 句意为：睡觉前穿上________双袜子。a pair of 一双，根据常识可知，只能穿一双袜子，故填a。
10. 句意为：按时锻炼可以帮助你睡得更好。根据前文“How can you sleep better？”可知此处是如何睡得更好的建议。故填better。