题目内容

Weshouldoften()thebowandsternofaship.

A. inspects
B. inspecting
C. inspect
D. inspected

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在智能网中,()提供数据库功能,接受SCP和SMS的访问。

A. SSP
B. SCP
C. SDP
D. SMS

Weshouldhoistnationalflag().

A. ontime
B. intime
C. soon
D. attimes

Lowergangwayintoplaceand()safetynet.

A. fast
B. makefast
C. fasten
D. fastened

Whenyoukeepagangwaywatch,youshould()themooringlinesaccordingtotheriseandfallofthetide.

A. adjusted
B. adjusting
C. adjusts
D. adjust

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