DNA损伤修复系统中最常见的是（）
A.光复活
B."适应性"反应
C.切除修复
D.复制后修复
E.误配修复
参考答案：C
Clare finally decided to leave the company she ____ for since she graduated from university.
A．would work
B．has worked
C．was working
D．had worked
“突出煤层发生突出预兆而继续作业”属（）行为。
A、一般“三违”
B、轻微“三违”
C、严重“三违”
