首页 > 成人高考

题目内容（请给出正确答案）

[主观题]

The vitamins necessary for a healthy body are normally supplied by a ______ of fruit and g

reen vegetables.

A．variety

B．fraction

C．section

D．series

查看答案

如果结果不匹配，请联系老师获取答案

您可能会需要：

重置密码查看订单联系客服

安装优题宝APP，拍照搜题省时又省心！

更多“The vitamins necessary for a h…”相关的问题

第1题

The indoor swimming pool seems to be a great deal more luxurious than________.A．is necessa

The indoor swimming pool seems to be a great deal more luxurious than________.

A．is necessary

B．being necessary

C．to be necessary

D．it is necessary

点击查看答案

第2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

点击查看答案

第3题

Vitamins do not provide energy, nor do they construct or build any part of the body. They

are needed for ______ foods into energy and body maintenance.

A．transforming

B．transferring

C．altering

D．shifting

点击查看答案

第4题

Although there is no cure for the common cold, doctors believe that vitamins can help

prevent them.

点击查看答案

第5题

A. flour B. milk C. vitamins D. eggs

A.flour

B. milk

C. vitamins

D. eggs

点击查看答案

第6题

Vitamins are complex_________that the body requires in very small amount.

A.substances

B.materials

C.particles

D.matters

点击查看答案

第7题

It can be inferred from the passage that______.A．vitamins are sometimes not necessary to o

It can be inferred from the passage that______.

A．vitamins are sometimes not necessary to our health

B．it is important to eat a mixture of foods every day

C．one food only contains one vitamin

D．fruits contain more vitamins than vegetables

点击查看答案

第8题

Chickens can be called "natural foods" only when______.A．they are deliciousB．they are fed

Chickens can be called "natural foods" only when______.

A．they are delicious

B．they are fed on food little better than rubbish

C．they lay eggs rich in vitamins every day

D．they are allowed to move about and eat freely

点击查看答案

第9题

Chickens raised in poultry farms are all of the following EXCEPT that ________.A．they are

Chickens raised in poultry farms are all of the following EXCEPT that ________.

A．they are fed on food which is little better than garbage

B．they live in very crowded condition

C．the eggs they lay lack vitamins

D．they are allowed to move about and eat freely

点击查看答案

第10题

Vitamins are organic compounds necessary in small amounts in the diet for the normal growt

h and maintenance of life of animals, including man.

They do not provide energy,【21】do they construct or build any part of the body. They are needed for【22】foods into energy and body maintenance. There are thirteen or more of them, and if【23】is missing a deficiency disease becomes【24】.

Vitamins are, similar because they are made of the same elements--usually carbon, hydrogen, oxygen, and【25】nitrogen. They are different【26】their elements are arranged differently, and each vitamin【27】one or more specific functions in the body.

【28】enough vitamins is essential to life, although the body has no nutritional use for【29】vitamins. Many people,【30】, believe in being on the "safe side" and thus take extra vitamins. However, a well-balanced diet will usually meet all the body's vitamin needs.

(36)

A．either

B．so

C．nor

D．never

点击查看答案