“吐下之余,定无完气”的理论基础是:
A.气能生津
B.气能化津
C.气能行津
D.气能摄津
E.津能载气
参考答案:E
利用Windows98中DirectX软件组件可以开发高性能的、实现的多媒体应用程序。在下列DirectX组件中,提供游戏的通信和网络支持,使游戏玩家能在网上进行联机大战的组件是
A.DirectDraw
B.DirectShow
C.DirectInput
D.DirectPlay
The bilge pump on a fishing vessel().
A.must be fixed if the vessel exceeds 12 meters in length
B.may be used as a fire pump
C.must be portable if there are more than 4 watertight compartments
D.must be capable of pumping at least 450 gpm