中国证监会自受理股票公开发行申请文件到作出决定的期限为6个月。( )
参考答案：错
— What's the matter with Tom? He seems ____ sad.
— His pet dog died. [ ]
A. feel
B. feels
C. to feel
D. feeling
电力机车牵引扁销与销孔间隙两侧为不大于（）。
