1. Unless tiger hunting decreases, tigerswill soon be extinct in the wild.The countries in which the tigers’ habitats are located arecurrently debating jointlegislation that would ban tigerhunting. Thus, if thesecountries can successfully enforcethislegislation, the survival of tigersin the wild will be ensured.
The reasoning in the argument is most vulnerable to criticism on the groundsthat the argument
A： assumeswithout sufficient warrant that a ban on tiger hunting couldbe successfully enforced
B： considers the effects of hunting on tigers without also consideringthe effects of hunting on otherendangered animal species
C：fails totake into account how often tigerhunters are unsuccessful in their attempts to kill tigers
D: neglects to consider the results of governmentalattempts in the past to limit tigerhunting - ？
E: takes the removal of an impediment to the tigers’ survival as a guarantee of their survival
答案正确，选了E。 但是还是不能确认 why D is wrong？
求指教！
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发表于 2011-11-15 05:06:16
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