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题型:阅读理解-单选 难度:0.65 引用次数:11 题号:22652361

In school, we are told to drink water between classes. Our parents ask us to bring our water bottles to school and we’re reminded by experts that water is good for our skin and helps control our weight. But how much should we actually be drinking?

For many years, people have followed the advice of drinking eight glasses of water, eight times a day, known as the “8×8 rule”. According to Jessica Brown, this seems to have partly come from a misunderstanding of old advice that was published almost 80 years ago. In 1945, a study advised drinking one millilitre (毫升) of liquid for each calorie (卡路里) of food. This is about two litres of water a day, or eight glasses per person. But, Jessica says, the reality is that different people have different needs. Weight, age and activity level all play a role in how much water someone should drink.

Then do we need to control how much water we drink? It’s not that important, according to Dr. Stanley Goldfarb from the University of Pennsylvania. He says our bodies are good at telling us when we need water. When we are thirsty, it means our bodies need more water. Our kidneys (肾脏) help us keep the water we have, even before we feel thirsty.

There are, of course, benefits to drinking water. It helps our bodies stay at the right temperature. It helps us keep away bad things in our bodies. It helps us digest (消化) food. It protects our joints (关节).

So, next time you feel thirsty, reach for a glass of water. But don’t worry if you don’t drink exactly eight glasses a day. Your body knows what it needs.

根据材料内容选择最佳答案。
1. What is the “8×8 rule” advice based on?
A.A study published in 1945.
B.A common sense among the public.
C.A recent discovery by Jessica Brown.
D.Advice given by Dr. Stanley Goldfarb.
2. What can influence how much water we should drink according to the passage?
①age ②height ③weight ④activity level ⑤color of skin
A.①②③B.②③⑤C.②③④D.①③④
3. What does the underlined word “benefits” in Paragraph 4mean?
A.Methods.B.Degrees.C.Advantages.D.Discoveries.
4. What does the author advise readers to do when they feel thirsty?
A.Wait until they are not thirsty.B.Reach for a glass of water.
C.Keep doing what they are doing.D.Drink as much water as possible.
5. What’s the best title for the passage?
A.Simple Tips for Drinking WaterB.The Science Behind the “8×8 Rule”
C.The Importance of Drinking WaterD.The Truth About Drinking Water

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When we first take out the noodles, we can notice that the noodles are joined together nicely as a piece. However, few people know that when making the instant noodles, wax coating will be put on the noodles. The wax coating on the instant noodles is used to prevent the noodles from sticking together. It makes the noodles look very nice.

Researches have shown that the wax coating on the noodles is quite harmful to our health. If you eat the instant noodles today, you’d better wait for several days before you eat instant noodles next time, since our bodies need about at least four days to clear the wax coating away from our bodies. Do you know ? It will lead to cancer if the wax coating is stored in our bodies for a long time.

So it is very important to wash away the wax coating on the instant noodles if we don’t want our bodies to be in danger. You can do like this: 1. Wash the instant noodles with warm water first and then pour away the water containing the wax coating. 2. Repeat Step 1 and try to stir the noodles to wash away the wax coating on the noodles before cooking it in a new pot of water.

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D.To wash away the wax coating, you should stir the noodles at first.
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