状语从句中考真题解析
选择题
1. (2009绵阳中考) My uncle has been taught in this school _______ he was twenty years old.
A. since B. for C. until D. after
【解析】选A。考查since引导的时间状语从句。结合题意我的叔叔自从二十岁以来就一直在这所学校教书可排除B、C、D三项，选A。
2. (2009河北中考) ______ they may not succeed, they will try their best.
A. Though B. When C. Because D. Unless
【解析】选A。考查though引导的让步状语从句。结合题意尽管他们不可能成功，但是他们将尽全力可排除B、C、D三项，故正确答案为A。
3. (2009绥化中考) _______ Harry is only 10 years old, ________ he knows more about science than his brother.
A. Though；/ B. Though；but C. Though；because
【解析】选A