标题: Help~GWD13--Q13求解释 [打印本页] 作者: kevinxdx 时间: 2012-5-8 22:36 标题: Help~GWD13--Q13求解释 Building large new hospitals in the bistate area would constitute a wasteful use of resourses,on the basis of avoidance of duplicated facilities alone A on the basis of avoidance of duplicated facilities alone B on the grounds of avoidance duplicated facilities alone C solely in that duplicated facilities should be avoided D while the duplication of facilities should be avoided E if only because the duplication of facilities should be avoided 答案选E，我选了D。if only 这里什么用法啊？求指教