共用题干 Natural FoodIncreasingly,over the past ten years,people一especially young people一have become aware of the need to change their eating________(51),because much of the food they eat,particularly processed foods,is not good________(52)the health.Conseque

共用题干
Natural Food

Increasingly,over the past ten years,people一especially young people一have become aware of the need to change their eating________(51),because much of the food they eat,particularly processed foods,is not good________(52)the health.Consequently,there has been a growing ________(53)in natural foods;foods which do not________(54)chemical additives and which have not been________(55)by chemical fertilizers,widely used in farming today.
Natural foods,for example,are vegetables,fruit and grain which have been grown in soil that is rich in organic matter. In simple________(56),this means that the soil has been________ (57)by unused vegetable matter,which provides it with essential vitamins and minerals________ (58)in itself is a natural process compared with the use of chemicals and fertilizers,the main ________(59)of which is to increase the________(60)(but not the quality)of foods grown in
commercial farming areas.
Natural foods also include animals which have been________(61)to feed and move freely in healthy________(62).Compare this with what happens in the________(63)production of poultry （家禽）:there are battery farms,for example,where thousands of chickens live crowded together in one building and are fed________(64)food which is little better than rubbish.Chickens kept in this way are not only tasteless as food;they also produce eggs which________(65)important vitamins.

_________(52)
A:to
B:with
C:for
D:about