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【单选题】
图示拉杆的外表面上有一斜线,当拉杆变形时,斜线将A.
平动
B.
转动
C.
不动
D.
平动加转动
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举一反三
【单选题】Which one of the following is NOT a correct statement about the modern youth?
A.
They want to get rid of the traditional principles.
B.
They don't want to listen to their elder generation.
C.
They often commit crimes without realizing it.
D.
They want to depend on themselves more than their parents.
【单选题】在 OSI 中 , 完成整个网络系统内连接工作 , 为上一层提供整个网络范围内两个终端用户用户之间数据传输通路工作的是 。
A.
物理层
B.
数据链路层
C.
网络层
D.
传输层
【单选题】As to social customs and traditions in Japan, which of the following statement is TRUE?
A.
The youngest male gets to bath first.
B.
Women are the last ones to take a bath in their family.
C.
Husband is in charge of daily expenses of the family.
D.
Women needn't work since their husband will support them.
【单选题】在OSI中，完成整个网络系统内连接工作，为上一层提供整个网络范围内两个终端用户用户之间数据传输通路工作的是（）
A.
物理层
B.
数据链路层
C.
网络层
D.
传输层
【简答题】在 OSI 中,完成整个网络系统内连接工作,为上一层提供整个网络范围内两个终端用户之间数据传输通路工作的是 ( ) A 、物理层 B 、数据链路层 C 、网络层 D 、运输层
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