题型：阅读选择 题类：常考题 难易度：困难
牛津版（深圳·广州）2018-2019学年初中英语七年级下册Module 3 Unit 5自主检测
Drinking water is good for your health. There are some scientific ways of drinking water.
⒈It is the best medicine to drink two glasses of water in the morning.
⒉Drink clean water.
⒊Drink the water that has not been boiled.
Many people think boiled water is safe and good for people's health. In fact, it is not true. The boiling point of water is 100 ℃. By boiling it, most bacteria(细菌) in water can be killed. In the past, the water was less polluted, so boiling was a good way to make clean water. But heavy metals and other dangerous things in today's water are much more terrible than bacteria. Boiling doesn't solve that problem. And boiling water may give us more dangerous things in our glass.
⒋Never use soft drinks to take the place of water.
⒌Water is also needed in winter.
⒍Drink water at the right time.
1) After getting up in the morning, you have less water in your body, because you weren't drinking for the whole night .So you should drink some water to keep your health after getting up in the morning. That can prevent high blood pressure(血压), cerebral hemorrhage(脑溢血) and so on.
2) Drinking water at about 10 a. m. helps your body keep enough water.
3) Drinking water at about 3 p. m. can clean the wastes out in your body.
4) About eight o'clock in the evening is the best time to drink water. Your blood gets thicker when you sleep. Water will make your blood less thick.
Besides, we should drink 2L of water every day. Water is so important in our life. We should drink water often.
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