Drinking a lot of water does not do any good to the body, according to two experts in the United States. In fact, they warn, drinking too much water could be, in certain cases, harmful.
In a study, Dr Stanly Goldfarb and Dr Dan Negoianu, both of the Renal, Electrolyte and Hypertension Division at the University of Pensylvania, the United States, have denied the popular belief that drinking a lot of water clears body toxins（毒素）better, improves skin, and helps reduce weight.
Dr Goldfarb and Dr Negoianu say that they found little proof to back the public opinion that drinking 8 glasses of water every day benefits health. At the same time, they fond little proof of harm in drinking 8 glasses of water every day.
It is widely believed that in some cases-such as athletes, people who live in hot, dry environments, and those with certain medical conditions-drinking a lot of water indeed helps, but no studies have been done to prove the benefits of this practice in average, healthy people, the website medheadlines.com reports.
The study at the University of Pennsylvania also examined reports that some people experienced increased headaches when their consumption（消耗）of water was low. In one small study, which the doctors reviewed, the group drinking the most water reported fewer headaches than the control group, “but the difference in the number of headaches was o small between the two groups as to be considered unimportant.”
The researchers concluded that there is no scientific proof to support that average, healthy people need to drink at least 8 glasses of water each each day.
The website medheadines.com says that, according to an Indian doctor, drinking too much water is harmful. If water enters the body more quickly than it can be removed, problems can occur.
【小題1】What’s the key message delivered in the passage?

A．Drinking too much water might bring harm.
B．Whether to drink enough water makes no difference.
C．Drinking too much water may cause headaches.
D．Average, healthy people should drink more water.
【小題2】We can learn from the passage that 8 glasses of water every day_______ .
A．proves good for the bodyB．has scientific proof of harm
C．is sure to reduce headachesD．is generally considered necessary
【小題3】Who may agree that drinking lots of water helps to lose weight?
A．The two experts.B．The Indian doctor.
C．The general public.D．The website.
【小題4】According to the passage, we know that_______.
A．the website medheadlnes.com is developed by an Indian doctor
B．the study was carried out by two experts with an Indian doctor
C．the two experts performed the study at the University of Pennsylvania
D．drinking 8 glasses of water every day can cure certain diseases


【小題1】A
【小題2】D
【小題3】C
【小題4】C

解析【小題1】細節(jié)題：從第一段的句子：drinking too much water could be, in certain cases, harmful.
可知喝太多水，對人是有害的，選A
【小題2】推理題：從第三段的句子：At the same time, they fond little proof of harm in drinking 8 glasses of water every day.可知一天8杯水是很必要的。選D
【小題3】細節(jié)題：從第一段的句子：have denied the popular belief that drinking a lot of water clears body toxins（毒素）better, improves skin, and helps reduce weight.可知公眾認為喝很多水可以減肥。選C。
【小題4】細節(jié)題：從第一段的句子：In a study, Dr Stanly Goldfarb and Dr Dan Negoianu, both of the Renal, Electrolyte and Hypertension Division at the University of Pensylvania, the United States,可知是美國的兩個科學家做的這項調(diào)查。選C

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