标题: 请教一道经典倍数题 [打印本页] 作者: gtb0335 时间: 2011-1-12 00:17 标题: 请教一道经典倍数题 According to surveys by the National Institute on DrugAbuse, about 20 percent ofyoung adults usedcocaine in 1979, doubling those reported in the 1977 survey. (A) doubling those reported in the 1977 survey (B) to double the number the 1977 survey reported (C) twice those the 1977 survey reported (D) twice as much as those reported in the 1977survey (E) twice the number reported in the 1977 survey我觉得A也对啊，可是为什么答案是E呢~ 求高人指点作者: wuzongde 时间: 2011-1-12 01:08
A错，因为those指代不清，是20 percent 还是adults E清楚，没有歧义作者: v19suffered 时间: 2011-1-12 01:11
我试着分析一下啊 A，those指代不明，到底是20%还是adults B，to double好像是说还要再double一下在已经double的基础上，与作者的意图相反 C,还是those的问题 D，同C E，the number明确的告诉了比较的对象
According to surveys by the National Institute on DrugAbuse, about 20 percent ofyoung adults usedcocaine in 1979, doubling those reported in the 1977 survey. (A) doubling those reported in the 1977 survey (B) to double the number the 1977 survey reported (C) twice those the 1977 survey reported (D) twice as much as those reported in the 1977survey (E) twice the number reported in the 1977 survey我觉得A也对啊，可是为什么答案是E呢~ 求高人指点