- UID
- 523438
- 在线时间
- 小时
- 注册时间
- 2010-3-30
- 最后登录
- 1970-1-1
- 主题
- 帖子
- 性别
- 保密
|
请问哪位NN解释一下这道题? 不胜感激. The success of the program to eradicate smallpox has stimulated experts to pursue what they had not previously considered possible--better control, if not eradication, of the other infections such as measles and yaws.
(A) what they had not previously considered possible--better control, if not eradication, of the other infections such as (B) what they had not previously considered a possibility--better control, if not eradication, of such infections like (C) something they had not previously considered possible-better control, if not eradication, of such infections as (D) something not considered a previous possibility--better control and perhaps eradication, of other infections such as (E) the possibility of what they had not previously considered--better control and possibly eradication of infections like |
|