题目内容：

Are you interested in students in other countries: Do they also have so much homework like you?What do they do in their spare time?

On April 8,a report came out on the lives of high school students in China,Japan,South Korea and the US.It surveyed（调查）around 6,200 students from the four countries last year.You will find the answers to many of your questions in this report.

Who study hardest?

Chinese students spend the most time studying.Nearly half of Chinese students(48.6%) spend more than two hours on their homework every day.That's much more than students of the US(26.4%),Japan(8.2%) and South Korea (5.2%).

Who sleep most often in class?

Japanese students fall asleep in class most often.About 45% of them said they sometimes sleep in class.In South Korea,it's 32%;in the US,21%;and 5% in China.

Who are the most distracted（分心的）?

American students are the most active in class,but also the most distracted.64.2% said they chat with friends in class;46.9% said they eat snacks in class;and 38.9% said they send emails or read storybooks in class.

What do they do after school?

In their spare time,most Chinese students study or surf the Internet.Most American students go out to play with their friends.Most Japanese students do physical exercises.Most Korean students watch TV.

1.What is the text mainly about?

A. The education tips for parents.    B. The suggestions from teachers.

C. The lives of high school students.    D. The schools of different countries..

2.Who are the least hard-working at school according to the survey?

A. South Korean students.    B. Chinese students.

C. Japanese students.    D. American students.

3.What do most Japanese do after school?

A. Go shopping.    B. Do physical exercises.

C. Surf the Internet.    D. Sleep at home.