2. 世界卫生组织通过培训医生和护士，以及教妈妈们 如何更好地照顾她们孩子的方式帮助了数百万人。
The WHO has helped millions of people
doctors and nurses,and
mothers how to take better care of their children.
同步练习强化拓展系列答案科目：初中英语 来源： 题型：
阅读短文，根据短文内容回答问题 (2015 .北京海淀一模) (15分)
Do you worry about your health? Have you tried to run or walk for exercise and then quit? If you answer yes,you should try a new type of exercise： aquatic exercise. Aquatic exercise is a kind of exercise you do in a swimming pool. For example,you can run,walk,or even do a mind-body practice,such as yoga.
More and more people are trying aquatic exercise. In the United States,the number has grown by 25% in recent years. People in other countries are also doing aquatic exercise more frequently.
Aquatic exercise has many benefits. First of all,it feels easier than exercising on land. Why? You weigh about 90% less in the pool. It is also better for your knees than running or walking.
Aquatic exercise feels easy,but you still burn calories (卡). Water is 1 ,000 times thicker and heavier than air. In the same amount of time,you can burn more calories in the pool than in the gym. That's because it takes more energy to move in the water.
But what if you are scared of the water? No problem!There is nothing to worry about. Aquatic exercise is safe and easy to learn. It doesn’t require any special skills. For most kinds of aquatic exercise,you don't even need to know how to swim.
In fact,most people say they feel more relaxed in the water. They stop thinking about the things that make them anxious. The cool and quiet environment makes them exercise more.
Aquatic exercise is suitable for everyone. You can do it at any age. It can even help people who have been hurt in accidents. With aquatic exercise,they can move in ways they can't on land. For example,some people who can't walk can walk and even run in the water.
So are you looking for a fun new way to improve your health? Why not try? Join the millions of people who are burning calories while keeping cool in the pool.
1. Where do people do aquatic exercise?
2. Why do people burn more calories while doing aquatic exercise?
3. Is it difficult to learn aquatic exercise?
4. Who is aquatic exercise suitable for?
5. What is the passage mainly about?
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David very lucky his
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