信息化武器装备主要由（）等组成。
A.信息化弹药
B.信息化作战平台
C.军用智能机器人
D.单兵数字化装备
参考答案：A, B, C, D
To ______ the other players, the athlete ________ a lot of difficulties in his training.
A．win; defeated
B．defeat; overcame
C．beat; defeated
D．win; overcame
在电线的接头处，常常包有黑胶布，这是为了（ ）
A．起绝缘作用
B．更美观一些
C．使电线导电
D．使接头更牢固
