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题库 / Prep2012-SC-69
Laboratory rats and mice live up to 40 percent longer than usual when fed a diet of at least 30 percent fewer calories than that which they would normally eat, but that otherwise contains all necessary vitamins and nutrients.
of at least 30 percent fewer calories than that which they would normally eat, but that otherwise
with at least 30 percent fewer calories than what they would normally eat though otherwise it
that has at least 30 percent fewer of the calories that they would normally eat, but otherwise it
that has at least 30 percent fewer calories than they would normally eat but that otherwise
that has at least 30 percent fewer calories than that which they would normally eat, though that otherwise
题目分析：
首先，具有fewer calories than关系的两者应该是a diet和a diet that they would normally eat，所以than后需要写出比较的对象（时态或情态等任何的不同均不能省略），即they would normally eat，可以排除(A)(B)(E)。其次，在本题中，具有转折关系的两者是“卡路里比以前吃的饭少了30%（at least 30 percent fewer calories than they would normally）”和“所有的营养以及维他命是一样的（contains all necessary vitamins and nutrients）”，即，这个diet中，虽然某些“坏东西”少了，但是“好东西”没有什么变化，因此has at least 30 percent应该和contains all necessary vitamins and nutrients平行，可以排除(C)，答案为(D)。
选项分析：
略
感觉这人根本讲不来， 谁考场上这么做题啊， 超过1分45s的均速的话，700+别妄想了，【that which 】不可连用， AE消掉，这个过程应该在20s以内，因为这个太basic的知识点了。 剩下纠结BCD， B的话结构就错了， 后面还有一个谓语动词contains在那里， CD里面纠结， 如果考试的时候这道题已经1分50s了，那就直接CD机选了，。考场上紧张状态下， 去看中间的比较级根本是无稽之谈， 看2分钟瞻前顾后更要错。 考gmat是要规避问题， 对比选项，直接排除肯定错误的，不是像这人这么来看，反而是在创造问题， 关键是创作的问题，考场上并不一定能被解决。
按照你这样排除你一定考不上700+
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