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In recent years there has been a steady ...

    In recent years there has been a steady attack on salt from the doctors; salt is bad for you-regardless of your health. Politicians also got aboard."There is a direct relationship" US Congressman Neal Smith said "between the amount of sodium () a person consumes and heart disease circulatory(循环的)disorders stroke and even early death."

Frightening if true! But many doctors and medical researches are now beginning to feel the salt scare has gone too far."All these remarks and cry about salt is unnecessary" Dr. Dustan. insists. "For most of us it probably does not make much difference how much salt we eat." Dustan's most recent short-term study of 150 people showed that those with normal blood pressure experienced no change at all when placed on an extremely low-salt diet or later when salt was reintroduced. Of the hypertensive (高血压的) patients however half of those on the low-salt diet did experience a drop in blood pressure which returned to previous level when salt was reintroduced.

"An adequate to somewhat excessive (过度的)salt intake has probably saved many more lives than it has cost in the general population" said Dr. John H Laragh. "So an opinion that the whole population should avoid salt makes no sense."

Medical experts agree that everyone should practice reasonable “moderation” (节制)in salt consumption. For the average person a moderate amount might run from four to ten grams a day or roughly 1/ 2 to 1/3 teaspoons. One to two grams of salt would come from the natural sodium in food. The rest would be added in processing preparation or at the table.

"Na is not your enemy "says Comek’s Dr.Laragh. "Salt is the No.1 natural component of all human tissue and the idea that you do not need it is wrong. Unless your doctor has proven that you have a salt-related health problem,there is no reason to give it up. "

1.What did Neal Smith think of eating salt?

A.It was necessary.

B.It could lead to some diseases.

C.It was not related to heart disease.

D.It should be guided by the government.

2.What can we infer from Dr. Dustan's study?

A.It's reasonable to have the salt scare.

B.A low-salt diet may be good for some people.

C.The reduction of salt consumption can cure a hypertensive patient.

D.The amount of salt consumption has nothing to do with one's blood pressure.

3.What advice does Dr Laragh give in Para 3?

A.Experts should promote their study of salt.

B.Patients should eat adequate amounts of salt.

C.Doctors should not advise patients to avoid salt.

D.People should not be afraid of taking a bit excessive salt.

4.What does the author mainly want to tell us in the text?

A.The salt scare is still on.

B.Salt consumption has caused many problems.

C.The moderate use of salt is recommended.

D.The cause of hypertension is now understood.

 

1.B 2.B 3.D 4.C 【解析】 这是一篇说明文。盐的摄入对身体健康的有影响?科学家和一些专家就此进行了研究,发现这是耸人听闻的,人食用适量的盐是绝无影响的。 1. 细节理解题。根据第一段between the amount of sodium (钠) a person consumes and heart disease circulatory(循环的)disorders stroke and even early death.可知,一个人摄入的钠量与心脏病、循环系统紊乱、中风甚至早逝之间有一定的关系。由此可知, Neal Smith认为盐的食用可能会导致一些疾病。故选B。 2. 推理判断题。根据第二段最后一句话 Of the hypertensive (高血压的) patients however half of those on the low-salt diet did experience a drop in blood pressure which returned to previous level when salt was reintroduced.可知, 然而,在高血压患者中,有一半的低盐饮食者的血压下降,当再次摄入盐时血压恢复到以前的水平。由此可推知,我们从Dr. Dustan的研究中发现低盐饮食可能对一些人有好处。故选B。 3. 推理判断题。根据第三段"An adequate to somewhat excessive salt intake has probably saved many more lives than it has cost in the general population"可知,Dr Laragh认为适量或多或少的盐摄入可能挽救了更多的生命。由此可推知,Dr Laragh的建议是人们不应该害怕摄入过多的盐,因为它带来的好处可能会更多。故选D。 4. 推理判断题。阅读文章,并根据倒数第二段Medical experts agree that everyone should practice reasonable “moderation” (节制)in salt consumption.可知,医学专家同意,每个人都应该合理地“适度”摄入盐。由此可推知,作者写这篇文章的目的是建议适量使用盐。故选C。
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