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American government suggests that children and teens should get 60 minutes of physical activity every day. But less than half of children and just 10% of teens meet these suggestions. What’s the deal?

It’s reported that about 44million US kids participate in organized sports(such as baseball, softball, soccer).But a new study says just one-quarter of kids get the government-recommended amount of exercise when they show up for team practices. The study, published online last month in a medical journal, says younger kids and boys do better than teens and girls.

The study looked at 200 kids aged 7 to 14 who played on soccer, baseball and softball teams. The kids wore sensors to measure their activity during practices.

During each practice, kids averaged 30 minutes of downtime(停工期). “It is not clear how much physical activity is provided by youth sports practices,” say the California-based authors of the study. “Much of the time may be inactive, such as receiving verbal instructions and waiting for turns.”

What’s a parent or coach—or kid—to do? The authors of the study suggest increasing the number of practices, extending the time of practices and changing it up(加快)during practices. For example, the coach could give each player a ball at the same time. Rather than focusing on one player’s skills, it’s best to get the whole team moving.

But, the study says, the bottom line is that team sports aren’t enough exercise. For a child to meet the US physical activity suggestions, the kid will have to do more than just join a team. Exercise is also necessary during breaks, during physical education class, after school and even on the way to school.

1.According to the text, which of the following statements is TRUE?

A. Only 10% of the teens can’t meet the suggestions about physical activity.

B. About 11 million US kids can get enough amount of exercise in team practices.

C. The new study was published on a famous magazine last month.

D. Teens do better than girls and younger kids in the new study.

2.The underlined word “extending” in Paragraph 5 means ..

A. giving support or confidence

B. becoming smaller or fewer

C. making something longer or larger

D. causing to move or go quickly

3.The passage is probably written for .

A. physical teachers and parents

B. doctors and nurses

C. class advisers and researchers

D. kids and headmasters

4.What’s the best title of the passage?

A. Necessary for Kids to Exercise

B. Kids for Fun?

C. How to Keep Fit

D. Not Enough Exercise?

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