1991年6月英语四级作文

From the chart we can see that during the past five years there have been great changes in people's diet. The greatest change occurs in grain consumption， which has dropped 4% from 49% in 1986 to 45% in 1990 in total food consumption. The second greatest change is in milk consumption， which increased from 10% in 1986 to 13% in 1990. But on the other hand， two trends can be observed in the consumption of meat and fruit and vegetables. From 1986 to 1989， meat consumption increased from 17% to 23%