单项选择题

To use chemicals and fertilizers means ______.

A．to increase the amount of foods
B．to increase the quality of foods
C．to increase the amount and quality of foods
D．to increase essential vitamins and minerals

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热门试题

单项选择题

Recently, some people are interested in natural foods because ______.

A．these foods are fresh and sweet
B．they want to change their eating habits
C．these foods do not contain chemical additives and have not been affected by chemical fertilizers
D．they don't like the processed foods

单项选择题

In the battery farm the chickens are fed on food which ______.

A．is good in quality
B．is bad in quality
C．is a natural food
D．is a kind of rubbish