民航的运输飞行主要有( )形式。
A．班期飞行
B．红眼航班飞行
C．不定期航班飞行
D．加班飞行
E．包机飞行
参考答案：A,D,E
_____ he thought he was helping us with the work , he was actually in the way.
A．Because
B．If
C．Although
D．When
金近的《小猫钓鱼》生动地说明（）.
A.专心致志，才能获得成功
B.刻苦锻炼才能获得成功
C.互相帮助才能获得成功
D.小猫钓到一条大鱼
