在围岩拆除过程中，风浪大于（）或浪高大于（）时，应停止围堰拆除水下开挖作业。
A.5级；1m
B.5级；2m
C.6级；1m
D.6级；2m
参考答案：C
There are always ____interesting stories in the series that ___ many people watch them.
A．so, so
B．such, such
C．such, so
D．so, such
45°角的余角是( )
A．30°
B．45°
C．60°
D．135°
