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Question

Đề bài: The graph below shows relative price changes for fresh fruits and vegetables, sugars and sweets, and carbonated drinks between 1978 and 2009.
 

The line graph illustrates the change of price for fresh fruits and vegetables, sugar and sweets, and carbonated drinks during a period from 1979 to 2009. The graph also shows the general trend in the consumer-price index during this time.

At the first glance it is clear that because of price of three categories food increased lead to spending on the consumer-price index rose. Besides, there was large difference in increasing.

In the period of 1979-1985, price of three categories foods rose from approximately 60 to 110. However, from 1987 to 2009, the line graph shows the completely differences about price between fresh fruits and vegetable and other categories. Raking at the first position, the number of spending on fresh fruits and vegetable went up significantly; reach 330 in the year 2009, 2 times higher than that of carbonated drinks. There was a gradual rise in the number of spending on sugar and sweets from 100 to 160 in the year 2009, which was lower than consumer-price index by 10.