标题: 2个错误选项，求NN指点。在线等~ [打印本页] 作者: spz316 时间: 2010-9-4 16:01 标题: 2个错误选项，求NN指点。在线等~ 637.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