阅读下面短文，根据所读内容在表格中的空白处填入恰当的单词。注意：每个空格只填一个单词。

Celebrating sleep

World Sleep Day, observed on 21 March, was created to bring attention to the growing number of sleep problems worldwide. Sleep is a natural part of human life, but many people in the modern world ignore its importance. As a result, sleep problems are increasingly common.

In 2002, scientists at the University of Athens in Greece conducted a survey of over 35,000 people in 10 countries around the world, including China, Belgium and South Africa. Of the people that responded to the survey, 24 percent said that they did not sleep well, and based on their responses, 31.6 percent were diagnosed (诊断)with insomnia（失眠）and another 17.5 percent were diagnosed with borderline insomnia. In addition, 30.7 percent of survey respondents reported visiting a doctor for help with sleep problems and 11.6 percent said that they felt very sleepy during the day.

Overall, the survey found that ninny people suffer the effects of poor quality sleep, some examples of which are being unable to fall asleep and waking up in the middle of the night. The main factors causing these problems are pressure from school or work and a fast pace of life, but noise pollution and light pollution also interfere with sleep and contribute to poor quality sleep. The survey’s findings are particularly troubling because large numbers of people were found to have difficulty sleeping at night. The short-term effects of this are tiredness and trouble concentrating. If this happens for a long time, the risk of putting on weight and having a heart attack may increase.

There are many things you can do to improve the quality of your sleep. First, you should have regular sleep habits. Try to go to bed and wake up around the same time each day. You also need to make your bedroom a cool, dark, quiet place to sleep so that heat, light and noise do not disturb you. At night, you should also avoid things that contain caffeine, such as chocolate, coffee, tea and many soft drinks, as caffeine may keep you from sleeping.

     Getting a good night's sleep is important for everyone. By following the advice above, you can rest better at night and work better during the day.

                     Title: Celebrating Sleep

最近，某中学生英文报开设了“After-class Activities”的栏目。请你根据以下提示，为该栏目写一篇英文稿件，并鼓励同学们积极参加课外活动。

  1. 你校开展课外活动的情况； 

2. 你参加过的课外活动及给你带来的益处；

3. 为学校开展课外活动提出建议；

 4. 鼓励大家积极参加课外活动。

首句已给出，可适当发挥，字数100 字左右。

After-class Activities

Nowadays, after-class activities are becoming more and more popular in high schools.

He objects to ________ the students do their homework late at night.

When asked why he went there, he said he was sent there ________ for a space flight.

—I’m sure Andrew will win the first prize in the final.

—I think so. He ________ for it for months.

I couldn’t ________ to her. The line was busy.

Most students have little difficulty ________ college life.

After many years’ hard working, his parents managed to ________ the debts for his education at university.

I’ve got to the position ________ hard work.

—You look upset. Anything wrong?

－I failed in the physics exam again ________ all the efforts I made.

Which of the following answers is NOT true？