单项选择题

A．Most crew members had experience on foreign ships.
B．As part owners of the ships, captains got some of the profits.
C．They were protected by a strong United States Navy.
D．They were supported by a well-developed railroad system.
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单项选择题
A．Sitting on his hands.B．Reaching out his hands to help the eating process.C．Tying his hands behind his back.D．There’’s no rule concerning the hands.
A．Sitting on his hands.
B．Reaching out his hands to help the eating process.
C．Tying his hands behind his back.
D．There’’s no rule concerning the hands.
单项选择题
According to an analysis, compared with normal children today, children treated as mentally iii 50 years ago________.
A．were less isolated physically
B．were probably less self-centered
C．probably suffered less from anxiety
D．were considered less individualistic
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