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提问人:网友zsx19951120 发布时间:2022-06-20
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There is salt in our blood, and salt in our tears. There is salt in the ground, and salt

in fresh water. Rain water goes into the ground. Salt, which is mixed with the rocks and soil, dissolves in it. Water seeps from the ground into streams and rivers. The streams and rivers flow down to the sea. Some of the water from the sea becomes water vapor. The salt does not. When sea water dries up, the salt is left behind. Salt is obtained by letting sea water dry up. Other salt comes from salt mines. Common salt is pure salt. Table salt has other solids mixed with it.

6. Where is there salt?

A. In the ground.

B. In our bodies

C. In fresh water and sea water

D. All of the above.

7. Fresh water means ______ according to this passage.

A. clean water

B. salty water

C. water different from sea water

D. pure water

8. Rain doesn’t taste salty because ______.

A. the salt doesn’t become vapor, which turns to rain water.

B. rain water comes from the fresh water

C. there is no salt in the sky

D. the salt in the ground lies in the salt mines

9. We can get salt from ____.

A. the ground

B. fresh water

C. sea water or salt mines

D. rain water

10. Table salt is ______.

A. pure salt

B. a mixture of solids

C. a mixture of liquid or solid

D. a kind of common salt

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更多“There is salt in our blood, and salt in our tears. There is salt in the ground, and salt”相关的问题
第1题
The study of the effects of salt on high blood pressure was carried out ______.A.because m

The study of the effects of salt on high blood pressure was carried out ______.

A.because members of the same family tend to use similar amounts of salt

B.to explore the long - term use of a sodium - based substance

C.because it was proved that salt caused high blood pressure

D.because of the availability of chemically pure salt and its derivatives

点击查看答案
第2题
Excess dietary salt may cause high blood pressure in all individuals.A.YB.NC.NG

Excess dietary salt may cause high blood pressure in all individuals.

A.Y

B.N

C.NG

点击查看答案
第3题
It is implied in the second paragraph that ______.A.a genetic factor is the main factor to

It is implied in the second paragraph that ______.

A.a genetic factor is the main factor to develop high blood pressure

B.amount of salt eating is an important factor to develop high blood pressure

C.the rate to develop high blood pressure lies in the reaction to salt

D.high blood pressure can be affected by mating

点击查看答案
第4题
Fortunately there are still a few tasty things for us to enjoy in relative security. Their
numbers, however, are depleted almost daily, it seems, by ruthless proclaimations from the ever-watchful Food and Drug Administration and its allies, our doctors, The latest felon(重罪犯) to face prosecution is the salt of life, sodium chloride(食盐).

Apparently, overuse of salt causes high blood pressure and hypertension, the cause of half the deaths in the United States every year. A few years ago the anti-salt campaigners raised such an uproar that salt was banned from baby food.Currently pressure is being applied to food manufacturers to oblige them to label their products to show sodium content. Because doing so would cost manufacturers money, they argue that they have no idea how much salt remains on such things as potato chips and how much sticks to the bag. Furthermore, salt isn't the only harmful ingredient in food.If the manufacturer has to provide sodium content, why not require him to list every ingredient and specify which are harmful to our health? Cigarettes have a warning printed on them. Shouldn't the same type of warning appear on canned foods that are notoriously over- salted?

There are endless ifs and buts in the controversy, but the most telling of these is the questionable proof of salt's effect upon the blood pressure. True, people who cut their salt intake lowered their blood pressure, but where is the scientific proof that something other than salt didn't do the trick? The most common means of providing dubious proof that salt causes hypertension is to compare societies that use little salt with those that use mountains of salt in their daily diets. Which group has the higher rate of hypertension? Whose blood pressure is lower? What happens when salt is introduced into a group where salt is a novelty? Does the blood pressure rise significantly? Studies of the Japanese indicate that as the world's greatest salters, they suffer the most from hypertension. On the other hand, the simple, salt-free cooking of several tribes in the Solomon Islands has kept older tribesmen and women from developing hypertension and high blood pressure, ailments traditionally killing their peers in America.No account is taken of the effects of inflation, recession, pollution, crime, and sundry (多种多样的) other ills to which Americans, unlike people on primitive islands, are exposed.

To salt or not to salt? That is the question. Now that the question has arisen, it must not be treated with levity(轻率) but, rather, with searching scientific investigation so that those of us who are preoccupied with both savory(薄荷) food and longevity may decide which of the two is worth its salt.

The attitude of the author of this passage toward the salt controversy is that______。

A.we must stop eating salt immediately

B.she is not convinced that salt is harmful

C.the Food and Drug Administration works well with doctors

D.soon there won't be anything tasty left to eat

点击查看答案
第5题
The study made by Brook‘haven National Laboratory shows__________.
查看材料

A.Shared environmental factors can cause hypertension

B.Dietary salt can lead to high blood pressure in man and animals

C.Some rats not some individuals do not develop high blood pressure by consuming large amounts of salt

D.High blood pressure can be developed as a result of too much consumption of dietary salt

点击查看答案
第6题
Fortunately there are still a few tasty things for us gourmands to enjoy in relative secur
ity. Their numbers, however, are depleted almost daily, it seems, by ruthless proclamations from the ever-vigilant Food and Drug Administration and its allies, our doctors. The latest felon to face prosecution is the salt of life, sodium chloride.

Ostensible, overuse of salt causes high blood pressure and hypertension, the cause of half the deaths in the United States every year. A few years ago the anti-salt campaigners raised such a rumpus that salt was banned from baby food. Currently pressure is being ap- plied to food manufacturers to oblige them to label their products to show sodium content. Because doing so would cost mercenary manufacturers money, they argue that they have no idea how much salt remains on such things as potato chips and how much sticks to the bag. Furthermore, salt isn't the only harmful ingredient in food. If the manufacturer has to pro- vide sodium content, why not require him to list every ingredient and specify which are detrimental to our health? Cigarettes have a warning printed on them. Shouldn't the same type of warning appear on canned foods that are notoriously oversalted?

There are endless ifs and buts in the controversy, but the most telling of these is the questionable proof of salt's diabolic effect upon the blood pressure. True, people who cut their salt intake lowered their blood pressure but where is the scientific proof that something other than salt didn't to the trick? The most common means of providing dubious proof that salt causes hypertension is to compare societies that use little salt with those that use mountains of salt in their daily diets. Which group has the higher rate of hypertension? Whose blood pressure is lower? What happens when salt is introduced into a group where salt is a novelty? Does the blood pressure rise significantly? Studies of the Japanese indicate that as the world's greatest salter, they suffer the most from hypertension. On the other hand, the simple, salt-free cuisine of several tribes in the Solomon Islands has kept older tribesmen and women from developing hypertension and high blood pressure, ailments traditionally killing their peers in America. No account is taken of the effects of inflation, recession, pollution, crime, and sundry other ills to which Americans, unlike people on primitive islands, are exposed.

To salt or not to salt? That is the question. Now that the question had arisen, it must not be treated with levity but, rather, with searching scientific investigation so that those of us who are preoccupied with both savory food and longevity may decide which of the two is worth its salt.

Food manufacturers don't want to label packages with sodium content because______.

A.they disagree with the FDA

B.salt doesn't stick to potato chips

C.they would have to spend more money

D.it isn't important to single out salt

点击查看答案
第7题
There is evidence that the usual variety of high blood pressure is, in part, a familial di
sease. Since families have similar genes as well as similar environments, familial diseases could be due to shared genetic influences, to shared environmental factors, or to both. For some years, the role of one environmental factor commonly shared by families, namely dietary salt (i.e. sodium chloride), has been studies at Brook Haven National Laboratory. These studies suggest that frequent excess salt eating can lead to high blood pressure in man and animals. Some individuals, however, and some rats consume large amounts of salt without developing high blood pressure. No matter how strictly all environmental factors were controlled in these experiments, some salt-fed animals never developed high blood pressure whereas a few rapidly developed very serious high blood pressure followed by early death. These marked variations were interpreted to result from differences in genetic constitution.

By mating in successive generations only those animals that failed to develop high blood pressure from salt eating, a resistant strain (the "R" strain) has been evolved in which consumption of large quantities of salt falls to influence the blood pressure significantly, in contrast, by mating only animals that quickly develop high blood pressure from salt, a sensitive strain ("S" strain) has also been developed.

The availability of these two strains permits investigations not possible formerly. They provide a likely laboratory model on which to investigate some clinical(临床的) aspects of the human types of high blood pressure. More important, there might be the possibility of developing methods by which genetic likelihood of human beings to develop high blood pressure can be defined without waiting for its appearance. Radioactive(放射性的) sodium 22 was an important "tool" in working out the characteristics of the sodium chloride metabolism.

The study of the effects of salt on high blood pressure was carried out ______.

A.because members of the same family tend to used similar amounts of salt

B.to explore the long-term use of a sodium-based substance

C.because it was proven that salt caused high blood pressure

D.because of the availability of chemically pure salt

点击查看答案
第8题
In order to adjust to the loss of salt, the body______.A.loses some bloodB.speeds up its s

In order to adjust to the loss of salt, the body______.

A.loses some blood

B.speeds up its secretion of water

C.speeds up its secretion of salt

D.is drying up slowly

点击查看答案
第9题
Part ADirections: Read the following four texts. Answer the questions below each text by c

Part A

Directions: Read the following four texts. Answer the questions below each text by choosing A, B, C or D. (40 points)

Fortunately there are still a few tasty things for us gourmands to enjoy in relative security. Their numbers, however, are depleted almost daily. It seems, by ruthless proclamations from the ever-vigilant Food and Drug Administration and its allies, our doctors. The latest felon to face prosecution is the salt of life, sodium chloride.

Ostensibly, overuse of salt muses high blood pressure and hypertension, the cause of half the deaths in the United States every year. A few years ago the anti-salt campaigners raised such a rumpus that salt was banned from baby food. Currently pressure is being applied to food manufacturers to oblige them to label their products to show sodium content. Bemuse doing so would cost mercenary manufacturers money, they argue that they have no idea how much salt remains on such things as potato chips and how much sticks to the bag. Furthermore, salt isn't the only harmful ingredient in food. If the manufacturer has to provide sodium content, why not require him to list every ingredient and specify which are detrimental to our health? Cigarettes have a warning printed on them. Shouldn't the same type of warning appear on canned foods that are notoriously over-salted?

There are endless ifs and buts in the controversy, but the most telling of these is the questionable proof of salt's diabolic effect upon blood pressure. True, people who cut their salt intake lowered their blood pressure, but where is the scientific proof that something other than salt didn't do the trick? The most common means of providing dubious proof that salt causes hyper tension is to compare societies that use little salt with those that use mountains of salt in their daily diets. Which group has the higher rate of hypertension? Whose blood pressure is lower? What happens when salt is introduced into a group where salt is a novelty? Does the blood pressure rise significantly? Studies of the Japanese indicate that as the world's greatest salters, they suffer the most from hypertension. On the other hand, the simple, salt-free cuisine of several tribes in the Solomon Islands has kept older tribesmen and women from developing hypertension and high blood pressure, ailments traditionally killing their peers in America. No account is taken of the effects of inflation, recession, pollution, crime, and sundry other ills to which Americans unlike people on primitive islands, are exposed.

To salt or not to salt? That is the question. Now that the question has arisen, it must not be treated with levity but, rather, with searching scientific investigation so that those of us who are preoccupied with both savory food and longevity may decide which of the two is worth its salt.

What is the attitude of the author of this passage toward the salt controversy?

A.We must stop eating salt immediately.

B.She is not convinced that salt is harmful.

C.The Food and Drug Administration works well with doctors.

D.Soon there won't be anything tasty left to eat.

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