题目内容

开放系统互连参考模型(OSI/RM)的最高层是( )。

A. 应用层
B. 会话层
C. 物理层
D. 传输层

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下列不属于开放系统互连参考模型(OSI/RM)七个层次的是( )。

A. 会话层
B. 用户层
C. 传输层
D. 网络层

Whose instrument ______ more precise?

A. is
B. are
C. /
D. has

Whose articles ______ better?

A. is
B. are
C. think
D. /

I would like to come to your house for dinner ______ Monday evening.

A. on
B. in
C. at
D. from