GRE写作成为横在中国学生的理想和现实之间的一大障碍，因此，如何攻克写作这道屏障，成为摆在我们面前的首要任务。
However,
careful scrutiny of this evidence reveals that it lends no credible support to the claim.
One problem with the brochure's claim involves its reliance on the bare fact that revenue
from last year's sales of health books and magazines totaled $50 million. This statistic in itself
proves nothing. Health magazines do not all focus on weightlifting or even physical fitness; it is
possible that very few sales were of those that do. Besides, it is entirely possible that in
previous years total sales were even higher and that sales are actually declining. Either
scenario, if true, would serve to weaken the brochure's claim rather than support it.
Another problem with brochure's claim involves the fact that more and more consumers are
purchasing home gyms. It is entirely possible that consumers are using home gyms as a
substitute for commercial gyms, and that the number of Power-Lift memberships will decline as
a result. Without ruling out this possibility, the brochure cannot convince me that a new
Power-Lift franchise would be profitable.
A third problem with the brochure's claim involves its reliance on the fact that 500 Power-Lift
franchises are now in existence. It is entirely possible that the market has become saturated,
and that additional Power-Lift gyms will not be as successful as current ones. Moreover, it is
possible that the number of competing gyms has also increased in tandem with the general
interest in health and fitness. Without addressing this supply-and-demand issue, the brochure
cannot justify its conclusion that a new Power-Lift fran- chise would be a sound investment.
In conclusion, the brochure is unpersuasive as it stands. To strengthen its daim that a new
Power-Lift franchise would be profitable, the brochure should provide stronger evidence that
the general interest in physical fitness, and weightlifting in particular, will continue unabated in
the foreseeable furore. The brochure must also provide evidence that home gyms are not
serving as substitutes for commercial gyms. Finally, to better evaluate the argument we would
need more information about the extent to which the fitness-gym market has become
saturated, not only by Power-Lift franchises but by com peting gyms as well.
Argument 104
The following appeared in a memorandum from the president of Hyper-Go Toy Company.
255
"Last year, sales of our Fierce Fighter toy airplane declined sharply, even though the toy had
been a top seller for three years. Our customer surveys show that parents are now more
worried about youthful violence and are concerned about better education for their children.
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