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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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a, have half or less than half the chance... as those are
have the chance，句意变为patients有这样的机会→句意不对
b, less 是个插入语，后面句子中有than，不对。
c, or less插入语
d, less... as
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