单项选择题

A．Enforcing laws controlling navigation, shipping, immi……

A．Enforcing laws controlling navigation, shipping, immigration and fishing.
B．Enforcing laws affecting the privately-owned boats in the U. S.
C．Searching for missing boats and rescuing people.
D．Training people to be good swimmers along the beach.

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单项选择题A．Her subject’s home.B．Her subject’s social status.C．Her subject’s personality.D．Her subject’s role in history.

A．Her subject’s home.
B．Her subject’s social status.
C．Her subject’s personality.
D．Her subject’s role in history.

单项选择题A．Have to buy a special electronic ticket.B．Need an expensive device designed especially for the museum.C．Have to travel a long way to visit the university. [D] Need a computer linked to a telephone.

A．Have to buy a special electronic ticket.
B．Need an expensive device designed especially for the museum.
C．Have to travel a long way to visit the university. [D] Need a computer linked to a telephone.

填空题I

填空题E

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