Enhanced procedures concerning the exercise of ______have been developed to allow intervention（干涉） in the case of deficiencies deemed to pose a danger to persons, property or the environment.
A. port state control
B. flag state control
C. fire and boat drill
D. safety inspection
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Before putting on the starting air, the reversing and control gear should be _____.
A. operated
B. stopped
C. checked
D. removed
计算机随机提供的软件为()。
A. 硬件
B. 语言
C. 软件
D. 系统软件
Please be advised that my radio transmitter broke down and needs________.
A. repair
B. reapiring
C. to repair
D. be reapried
计算机的基本部件构成了计算机的()。
A. 硬件
B. 软件
C. 硬盘
D. 网络
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