题目内容
3.__________ they decide which college to go to,students should try their best to achieve their goals.( )| A. | As | B. | While | C. | Once | D. | Unless |
分析 一旦确定要上哪所大学,学生都应该尽力去实现他们的目标.
解答 答案:C.根据选项as当---什么时候,正如----,因为----;While 当---什么时候,尽管,然而;once 一旦;unless除非,再结合句意,一旦确定要上哪所大学,学生都应该尽力去实现他们的目标.可知此处缺少了一个引导条件状语的连接词,故选C.
点评 本题考查条件状语从句的连接词,在充分分析句型再结合语义的基础上便能选出正确答案,同时要注意其他选项短语的意思
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