以下是引用罗马青年在2007-7-2 16:13:00的发言:CD-V-13T-9-Q29. 大全987-637 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 B为什么不对?:Several studies have found that the coronary patients who exercise most actively have half the chance, or less, of dying of a heart attack than those who are sedentary do 前面用的是have,后面的用do, 很正确啊?为什么不对?恳请NN指点; 我觉得B的do补出的没错.这题我也错了.不是很理解.但是我想如果要解释,B的错不在do上. 我的看法: A, half...as..语法上来说, as后面如果不补全助动词,那么as就是一个介词,翻译成"作为".而不能表示比较的意思,所以A错 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. E, 比较级,用than. 比较运动人和常坐人.但是我个人感觉后面 to die of a heart attact 有歧义,似乎只是修饰它前面的 those who are sedentary..我就是凭这个排除E的.... 请路过的牛人指点一下吧..要崩溃了,都说语法好提高,我怎么还没有找到感觉
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