Viết ít nhất 150 từ trong khoảng 20 phút.
The line graph shows the relative changes in the prices of fresh fruits and vegetables, sugar and sweets, and carbonated drinks from 1979 to 2009, compared with the consumer price index.
Overall, the prices of all three types of food and drink increased during the period. Fresh fruits and vegetables had the biggest increase, while carbonated drinks had the smallest.
In 1979, all the prices started at a similar level of about 65. Until around 1985, they increased together and reached about 100. After that, the price of fresh fruits and vegetables went up much faster than the others. It rose to about 175 in 1991 and 245 in 2000, and it reached a peak of about 335 in 2008, before falling slightly to 325 in 2009.
The consumer price index increased steadily to about 210 in 2009. Sugar and sweets were a bit lower than the index and rose to around 197. Carbonated drinks increased the least, and they only reached about 155 in 2009, which was much lower than fruits and vegetables.