- UID
 - 857346
 
- 在线时间
 -  小时
 
- 注册时间
 - 2013-2-16
 
- 最后登录
 - 1970-1-1
 
- 主题
  
- 帖子
  
- 性别
 - 保密
 
 
 
 
 
 
 | 
PREP12解释:Whether is preferred to IF when there are only two alternatives  Prep12-27 
例句: 
The coast guard is conducting tests to see whether pigeons can be trained to help find survivors of wrecks at sea. 
 
OG 13解释:depends on是取决于,要接“情况能否发生”;而if是“假设情况发生了”,所以选whether不选if。 
例句: 
Beyond the immediate cash flow crisis that the museum faces, its survival depends on whether it can broaden its membership and leave its cramped quarters for a site where it can store and exhibit its more than 12k artifacts. |   
 
 
 
 |