单项选择题

以下( )是jav

A.io包中的一个兼有输入输出功能的类。
A．Object
B．Serializable
C．RandomaccessFile
D．java.io中不存在这样的类
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单项选择题
听力原文：W: There is a limit of three books each person. Do you stir want to have them?M: Fine, thanks. I'll be certain to return them on time.Q: Where did this conversation take place?(19)A．In a library.B．In a restaurant.C．In a book shop.D．In a department store.
A.
Q:
B.In
C.
B．In
D.
C．In
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D．In
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单项选择题
听力原文：W: Simon asked if he could get a ride with us to the beach.M: Well, I'll speak to him. Whether or nor we'll have roan is not clear.Q: What does the man mean?(14)A．He is not sure there will be space for Simon.B．He wants to make sure that the weather is clear.C．He does not know if they can get a room.D．He will ask Simon what he wants.
A.
M:
B.
Q:
C.He
D.
B．He
E.
C．He
F.
D．He
G.
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