题目信息
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.
A:have half or less than half the chance of dying of a heart attack as those who are sedentary
B:have half the chance, or less, of dying of a heart attack than those who are sedentary do
C:have half the chance that they will die of a heart attack, or less, than those who are sedentary do
D:are at least fifty percent less likely to die of a heart attack as those who are sedentary
E:are at least fifty percent less likely than those who are sedentary to die of a heart attack
参考答案及共享解析
共享解析来源为网络权威资源、GMAT高分考生等； 如有疑问，欢迎在评论区提问与讨论
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正确答案：
E:are at least fifty percent less likely than those who are sedentary to die of a heart attack
考点 比较
A as 后加句子，不加句子的时候是“作为”的意思，在原题中不是作为的意思 ，因此排除A
B or less 是插入语，可有可无，因此主句中没必要用than
C or less是插入语,放在句中容易产生歧义,并且不能和后面的than连用
D less...as 搭配错误 应该是than
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题目来源
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