[讨论]

wj · 发表于 2003-12-23 01:30:00

51. According to surveys by the National Institute on Drug Abuse, about 20 percent of young adults used cocaine 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 1977 survey
(E) twice the number reported in the 1977 survey
这道题为什么不是（A）

wj · 发表于 2003-12-23 01:38:00

如果将上题（A）中的those换成that就对了吧。因为它指前面的20%。还有就是如果是数目字做主语的话谓语应该用单数。请高手赐教

[讨论]

[讨论]

所属分类: 下线版块

正在浏览此版块的会员 ()