46. Kale has more nutritional value than spinach. But since collard greens have more
nutritional value than lettuce, if follows that kale has more nutritional value than lettuce.
Any of the following, if introduced into the argument as an additional premise, makes the
argument above logically correct EXCEPT:
A. Collard greens have more nutritional value than kale
B. Spinach has more nutritional value than lettuce
C. Spinach has more nutritional value than collard greens
D. Spinach and collard greens have the same nutritional value
E. Kale and collard greens have the same nutritional value
46.
The question asks for an additional premise that does NOT make the argument logically
correct. Adding A to the information given in the passage leaves open the possibility that, in
order of nutritional value, the vegetables rank: collard greens, lettuce, kale, spinach. Because
this order is contrary to the conclusion of the argument, A leaves open the possibility that the
conclusion of the argument is false; it is thus the best answer. By contrast, any of other choices,
when added to the information that the nutritional value of kale is greater than that of spinach
and that the nutritional value of collard greens is greater than that of lettuce, makes the
conclusion-that kale has more nutritional value than lettuce-follow logically.
我觉得解释不对
Adding A to the information given in the passage leaves open the possibility that, in
order of nutritional value, the vegetables rank: collard greens, lettuce, kale, spinach.
这里对吗？不知道大家是否有同感？
It's no problem here, for the explanation just said possibility, not sure.
看到了，谢谢！！
很厉害啊
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