The research is so designed that once nothing can be done to change it. A.begins B.having begun C.beginning D.begun 命题意图:此题考查省略在状语从句中的应用.此题属四星级题. 知识依托:当主句的主语和状语从句主句一致,且从句中含be,可把从句的主语和be一起省略.例: I wonder why he didn’t do as told to. 错解分析:A.B.C项都为主动.而research应是由人启动的.应用被动. 解题方法与技巧:此类词.应分清主.被动关系. 答案:D ●锦囊妙计 掌握好省略句.应注意以下几条: 【查看更多】
题目列表(包括答案和解析)
(NMET 2002)The research is so designed that once ________ nothing can be done to change it.
