以下是2011年12月的GMAT作文AA部分机经更新，更新日期从12月1日起至12月16日，目前共43题。澳际留学祝大家GMAT考试顺利!

　　Sample essay 2:

　　The argument that retailers should replace some of the products intended to attract the younger consumers with products intended to attract the middle-aged consumers is not entirely logically convincing, since it ignores certain crucial assumptions.

　　First, the argument omits the assumption that the business volumes of both the middle-aged consumers and the younger consumers are the same. If the business volume of the middle-aged consumers’ 39% is smaller than that of the younger consumers’ 25%, the retail sales will not increase during the next decade.

　　Second, even if the business volumes of both the middle-aged consumers and the younger consumers were the same in the last decade, the increase of the middle-aged people in the next decade is not the same as the increase of the retail expenditure, for the retail trade depends more on such factors as the economic circumstances, people’s consuming desire.

　　Finally, the argument never assumes the increase of the younger consumers within the next decade. If the younger consumers increase at the same rate and spend the same amount of money on the goods and services of department stores, the retailers should never ignore them.

　　Thus the argument is not completely sound. The evidence in support of the conclusion that the growing number of middle-aged people within the next decade does little to prove the conclusion—that department stores should begin to replace some of their products to attract the middle-aged consumers since it does not address the assumptions I have already raised. Ultimately, the argument might have been strengthened by making it clear that the business volumes of both types of consumers are the same and comparable, that the increase of a certain type of consumers are correlated with the increase of the retail sales, and that the growth rate of the younger consumers are the same as that of the middle-aged consumers.

　　Sample essay 3:

　　Based on an expected increase in the number of middle-aged people during the next decade, the author predicts that retail sales at department stores will increase significantly over the next ten years. To bolster this prediction, the author cites statistics showing that middle-aged people devote a much higher percentage of their retail expenditure to department-store services and products than younger consumers do. Since the number of middle-aged consumers is on the rise and since they spend more than younger people on department-store goods and services, the author further recommends that department stores begin to adjust their inventories to capitalize on this trend. Specifically, it is recommended that department stores increase their inventory of products aimed at middle-aged consumers and decrease their inventory of products aimed at younger consumers. This argument is problematic for two reasons.

　　First, an increase in the number of middle-aged people does not necessarily portend an overall increase in department-store sales. It does so only on the assumption that other population groups will remain relatively constant. For example, if the expected increase in the number of middle-aged people is offset by an equally significant decrease in the number of younger people, there will be little or no net gain in sales.

　　Second, in recommending that department stores replace products intended to attract younger consumers with products more suitable to middle-aged consumers, the author assumes that the number of younger consumers will not also increase. Since a sizable increase in the population of younger consumers could conceivably offset the difference in the retail expenditure patterns of younger and middle-aged consumers, it would be unwise to make the recommended inventory adjustment lacking evidence to support this assumption.

　　In conclusion, this argument is unacceptable. To strengthen the argument the author would have to provide evidence that the population of younger consumers will remain relatively constant over the next decade

　　以上就是12月16日更新的GMAT作文机经AA部分，考生可以适当借鉴，并通过练习来掌握GMAT作文的解题规律，从而顺利通过GMAT考试。 相关链接：

1.GMAT考试作文机经AA部分 12月16日更新（十九）

2.GMAT考试作文机经AA部分 12月16日更新（十八）

3.GMAT考试作文机经AA部分 12月16日更新（十七）

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