根据课文内容选择正确答案
__________ can help us to build new cells.

A．Proteins

B．Carbohydrates

C．Fats

D．Minerals

If we want to get minerals, we should eat __________.

A．fish, cheese and sugar

B．rice, wheat and vegetables

C．fish, vegetables and milk

D．nuts, corn and fish

A man who is very fat should not eat the following except __________.

A．ice-cream

B．sausage

C．butter

D．vegetables

It is __________ that can help us stay healthy.

A．how much we eat

B．what we eat

C．when we eat the food

D．how we. eat the food

From the passage we can conclude that __________.

A．proper weight can tell us whether a diet lacks vitamins or minerals.

B．we can cut out good sources of several vitamins without starchy foods

C．variety is a guarantee of good nutrition

D．extra vitamins can't provide our bodies with more energy