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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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翻了牛津词典，chance的定义是a possibility of sth happening, especially sth that YOU WANT, 这里death和risk搭配要合适一些
half...as those/than those -- non-idiomatic
B&C中的do虽然没有错但是wordy
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