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题库 / GMATLA-SC-134
Several studies have found that the coronary patients who exercise most actively have half or less than half the chance of dying of a heart attack as those who are sedentary.
have half or less than half the chance of dying of a heart attack as those who are sedentary
have half the chance, or less, of dying of a heart attack than those who are sedentary do
have half the chance that they will die of a heart attack, or less, than those who are sedentary do
are at least fifty percent less likely to die of a heart attack as those who are sedentary
are at least fifty percent less likely than those who are sedentary to die of a heart attack
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B, have half the chance,or less,...这里or less是插入语,所以这个句子的主干,没有比较级,所以用than 不恰当. (和楼上一位说得一样).
C, 和B一样,没有比较级,所以不应该用than,而且 or less的插入语位置不对,
D, 有比较级,却用了as,没有用than. 而且as后面没有补出助动词 ARE.
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