When you exercise, it is really importan
题型:阅读理解
问题:
When you exercise, it is really important to drink lots of water because you lose (失去) water quickly at this time. Also, when your muscles (肌肉) work hard, they need water. When the weather is hot and you are going to do sports for a long time, you need more water. When should you drink water?
It is not a good idea to drink water until (直到) you’re thirsty. 小题1:Why do we need to drink water when we exercise?
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