100%

　　100%

　　100%

　　100%

　　100%

　　According to the graph presented, it can be observed that there have been great changers in people’s diet over the period from 1986 to 1990. The consumption of grain is decreasing year by year, while that of some high-energy good, such as mild and meant, is increasing steadily.

　　There are many reasons explaining this situation. As for me, I consider the followings the important ones. First, nowadays people can afford to buy much more expensive food with better nutrition. Second, people now pay more attention to the quality of it, because they know it is of great benefit to their health to diet in a scientific way. Therefore they try their best to improve the structure of their food.

　　Model 2

　　Car Accidents Declining in Walton

　　    According to the graph presented,  we can observe the changing rate of car accidents in Walton City in 1990. We can see an increasing trend in the first two months. Then at the beginning of March the rate came to a peak point of 32. But in June, it fell to 26. In the next two months, it was rising again and in August, reached 39. From August it declined, and continually dropped to the lowest point of 16 at the end of the year.

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