南亚的大部分地区属( )
A.热带季风气候
B.亚热带季风气候
C.温带季风气候
D.热带沙漠气候
答案:A
He _____ the meeting, if he hadn't taken good care of his mom who was sick in hospital then.[ ]
A. will attend
B. had attended
C. would have attended
D. would attend
简述静噪电路的作用。