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[主观题]

Vitamins are a group of substances found in food. The body needs them for life and hea

lth. So (1), many people are concerned (2) the question: Am I getting enough vitamins, and am I getting the (3) kind？

Even though very small (4) of each vitamin are enough for the (5) of the body, the worry people have about vitamins has some basis. And this has to do (6) their diet---the food they take in. A person eating a good (7) of foods get all the vitamins now (8) to be needed.

The problem is that there are many people (9) don’t choose foods wisely. So the answer (10) this question is: No (11) vitamins are needed, (12) you eat proper foods. In fact, many of the vitamins cannot be (13) in the body, so when extra vitamins are taken in, the body simply gets rid of them. It is even (14) to put too much of certain vitamins into the body. This has been found to be true (15) vitamin A and D, when large amounts are taken (16).

What foods supply what vitamins？ Here is a quick (17) idea. Vitamin A for the (18) of the eyes, skin, teeth, and bones, is found in green vegetables, fruits, eggs, liver and butter. Vitamin B1 which (19) the nervous and digestive (20) and prevents certain diseases, is found in cereals, pork and liver. VitaminB2 is found in milk, eggs, green vegetables and meats. Vitamin C, which helps bones and teeth, is found in tomatoes, certain fruits and vegetables. These are only a few of the most important vitamins the body needs.

1. A.normally

B.naturally

C.predictably

D.likely

2. A.of

B.in

C.with

D.at

3. A.particular

B.exact

C.special

D.right

4. A.needs

B.qualities

C.volumes

D.amounts

5. A.needs

B.standards

C.hunger

D.wish

6. A.to

B.with

C.of

D.about

7. A.variety

B.kind

C.sort

D.range

8. A.clear

B.known

C.acquainted

D.understood

9. A.they

B.which

C.whose

D.who

10. A.at

B.to

C.of

D.about

11. A.rich

B.exceptional

C.extra

D.plenty

12 A.when

B.providing

C.where

D.that

13. A.saved

B.digested

C.stored

D.assembled

14. A.harmless

B.beneficial

C.harmful

D.fatal

15. A.to

B.of

C.in

D.at

16. A.down

B.up

C.in

D.at

17. A.specific

B.detailed

C.general

D.vague

18. A.sake

B.health

C.favor

D.interest

19. A.forms

B.harms

C.changes

D.helps

20. A.part

B.system

C.collection

D.combination

答案

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发布时间：2022-10-14

更多“Vitamins are a group of substances found in food. The body needs them for life and hea”相关的问题

第1题

Although vitamins()health, you cannot skip the traditional health measures like exerc

Although vitamins（)health, you cannot skip the traditional health measures like exerc

ising and having a low-fat diet.

A.are harmful to

B.are useful to

C.are beneficial to

D.are nutrient to

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第2题

The synthetic vitamins are identical ________ those naturally present in our food.A

The synthetic vitamins are identical ________ those naturally present in our food.

A) for

B) of

C) as

D) with

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第3题

The body at least cannot make for itself sufficient quantities of vitamins for normal nutr

ition and metabolism.

A．Y

B．N

C．NG

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第4题

Why are nutritionists concerned about adding vitamins to olestra？ A) It may lead t

Why are nutritionists concerned about adding vitamins to olestra？

A) It may lead to the over-consumption of vitamins.

B) People may be induced to eat more than is necessary.

C) The function of the intestines may be weakened.

D) It may trigger a new wave of fake food production.

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第5题

The store sells liquid vitamins ________ designed for children under 3.

A.explicitly

B.specifically

C.speculatively

D.specially

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第6题

Breast milk contains many nutrients such as iron, calcium, vitamins, etc.A．YB．NC．NG

Breast milk contains many nutrients such as iron, calcium, vitamins, etc.

A．Y

B．N

C．NG

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第7题

A．Eating more fresh vegetables and fruits.B．Taking pills of vitamins and trace element

A．Eating more fresh vegetables and fruits.

B．Taking pills of vitamins and trace elements.

C．Alternating work with rest.

D．Doing regular exercise.

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第8题

Olestra is different from ordinary fats in that ________. A) it passes through the

Olestra is different from ordinary fats in that ________.

A) it passes through the intestines without being absorbed

B) it facilitates the absorption of vitamins by the body

C) it helps reduce the incidence of heart disease

D) it prevents excessive intake of vitamins

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第9题

Olestra is different from ordinary fats in that ______.A．it passes through the intestines

Olestra is different from ordinary fats in that ______.

A．it passes through the intestines without being absorbed

B．it facilitates the absorption of vitamins by the body

C．it helps reduce the incidence of heart disease

D．it prevents excessive intake of vitamins

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第10题

Why are nutritionists concerned about adding vitamins to olestra？A．It may lead to the over

Why are nutritionists concerned about adding vitamins to olestra？

A．It may lead to the over-consumption of vitamins.

B．People may be induced to eat more than is necessary.

C．The function of the intestines may be weakened.

D．It may rigger a new wave of fake food production.

点击查看答案

第11题

Foods That Fight DiseaseWith remarkable consistency, recent research has found that a diet

Foods That Fight Disease

With remarkable consistency, recent research has found that a diet high in plant -based foods—fruits, vegetables, dried peas and beans, grains, and starchy staples such as potatoes — is the body's best weapon in thwarting many health - related problems. These foods work against so many diseases that the same healthy ingredients you might use to protect your heart or ward off cancer will also benefit your intestinal tract and bones.

Here's what is currently known about these different disease -fighting foods. Cancer Fighters

Preventing cancer is a compelling reason to load up your cart in the produce department. Scientists have recently estimated that approximately 30 to 40 percent of all cancers could be averted if people ate more fruits, vegetables, and plant - based foods and minimized high -fat, high -calorie edibles that have scant nutritional value. Up to 70 percent of cancers might be eliminated if people also stopped smoking, exercised regularly, and controlled their weight.

In the past, researchers had linked fat consumption with the development of cancers, but they currently believe that eating fruits, vegetables, and grains may be more important in preventing the disease than not eating fat. "The evidence about a high- fat diet and cancer seemed a lot stronger several years ago than it does now," says Melanie Polk, a registered dietitian and director of nutrition education at the American Institute for Cancer Research.

Although scientists are still not certain about the specifics, they're beginning to close in on the healthful constituents of plant- based foods. In particular, they're looking closely at two components antioxidants and phytochemicals.

Antioxidants. The antioxidants (carotenoids, such as beta carotene and lycopene, and vitamins C and E) found in fruits, vegetables, and other plant -based foods fight free radicals, which are compounds in the body that attack and destroy cell membranes. The uncontrolled activity of free radicals is believed to cause many cancers.

The carotenoids, in particular, which give fruits and vegetables their bright yellow, orange, and red colors, are now gaining recognition for their nutritional worth. Numerous studies have extolled the virtues of lycopene (the carotenoid that makes tomatoes red) in preventing prostate cancer. One such study at Harvard University found that men who include tomato products in their meals twice a week could reduce their risk of developing prostate cancer by one third compared with men who never touch tomatoes.

Other lycopene - rich foods, such as watermelon, red grapefruit, and guava, are now piquing the interest of researchers. Watermelon not only yields more lycopene per serving (15 mg in 11/2 cups) than raw tomatoes (11 mg per 11/2 cups), but it's also a rich source of vitamins A and C.

Can watermelon help reduce the incidence of cancer？ No one knows for sure because there haven' t been sufficient studies. "We assume that we'll see benefits," says Penelope Perkins Veazie, Ph. D., a research scientist with the USDA's Agricultural Research Service. Researchers there plan to compare people who eat watermelon with those who eat processed tomatoes because cooking enhances lycopene absorption—o see which group absorbs more lycopene. (A 11/2 cup serving of tomato sauce packs 53 mg of lycopene. )

Phytochemicals. The phytochemicals present in fruits and vegetables protect the body by stunting the growth of malignant cells. Phytochemicals, naturally occurring substances, include indoles ([生化]吲哚) in cabbage or cauliflower, saponins ([生化]皂角苷 ) in peas and beans, and isoflavones (异黄酮) in soy milk and tofu. Investigators have only an inkling of how many phytochemicals exist and how they work. They are confident, however, that you can get a basketful of anti- cancer nutrients by mi

A．Y

B．N

C．NG

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