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  3. If a society encourages freedom of thought and expression, then, during the time when it does so, creativity will flourish in th

If a society encourages freedom of thought and expression, then, during the time when it does so, creativity will flourish in th

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问题 If a society encourages freedom of thought and expression, then, during the time when it does so, creativity will flourish in that society. In the United States creativity flourished during the eighteenth century. It is clear, therefore, that freedom of thought was encouraged in the United States during the eighteenth century. An error of reasoning of the same kind as one contained in the passage is present in each of the following arguments EXCEPT:
选项 A、According to the airline industry, airfares have to rise if air travel is to be made safer; since airfares were just raised, we can rest assured that air travel will therefore become safer.
B、We can conclude that the Hillside police department has improved its efficiency, because crime rates are down in Hillside, and it is an established fact that crime rates go down when police departments increase their efficiency.
C、People who are really interested in the preservation of wildlife obviously do not go hunting for big game; since Gerda has never gone hunting for big game and intends never to do so, it is clear that she is really interested in the preservation of wildlife.
D、If the contents of a bottle are safe to drink, the bottle will not be marked "poison," so, since the bottle is not marked "poison," its contents will be safe to drink.
E、None of the so-called Western democracies is really democratic, because, for a country to be democratic, the opinion of each of its citizens must have a meaningful effect on government and in none of these countries does each citizen s opinion have such an effect.
答案E
解析 我们知道一个命题的原命题正确，推不出它的逆命题也是正确的，但是可以推出它的逆否命题是一定正确的。本题论述中的(A)、(B)、(C)和(D)四个选项都犯了由原命题成立推出逆命题成立的逻辑错误，而(E)的论述则是由原命题成立推出逆否命题也成立 因此(E)是本题的正确选项
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