辐射板管道及带状辐射板之间的连接，应使用法兰连接。( )
参考答案：对
鞘膜积液最常见的部位是（）
A.睾丸鞘膜积液
B.精索鞘膜积液
C.睾丸精索鞘膜积液
D.交通性鞘膜积液
E.先天性鞘膜积液
Soccer is the most truly international team sport, but there’s still some question _______ whether it should be called a game or open warfare.
A．due to
B．in addition to
C．as to
D．owing to
