GMAT考试：Argument写作范文十一_GMAT写作

GMAT考试：Argument写作范文十一

　　Splitting the issues of cost-efficiency and environmental impact highlights an ambiguity in the claim that railway shipping is more appropriate. On the one hand, it may be appropriate, or prudent, for me to ship furniture by rail because it is cost-effective; on the other hand, it might be appropriate, or socially correct, to encourage more railway shipping because it is environmentally sound. The argument thus trades on an equivocation between social correctness on the one hand, and personal or business prudence on the other.

　　In sum, this argument is a confusion of weak comparisons, mixed issues and equivocal claims. I would not accept the conclusion without first determining: the factors relevant to tax structure, whether specific tax benefits should accrue to property as well as to income and capital gains taxes, whether railway shipping really does provide greater social benefits, and whether it is correct to motivate more railway shipping on this basis.

　　22.

　　The conclusion in this argument is that increased vigilance by drug enforcement authorities has resulted in an increase in the illegal use of cocaine. The author reaches this conclusion on the grounds that drug traffickers have responded to increased enforcement efforts by switching from bulkier and riskier drugs to cocaine. Presumably, the authors reasoning is that the increased enforcement efforts inadvertently brought about an increase in the supply of cocaine which, in turn,brought about the observed increase in the illegal use of cocaine. This line of reasoning is problematic in two important respects.