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【单选题】
在TCP/IP协议参考模型中,与OSI参考模型的物理层对应的是
A.
网络接口层;
B.
应用层;
C.
传输层;
D.
网络互联层
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举一反三
【单选题】_____ the bathroom window broke I was having a shower.
A.
When
B.
Where
C.
Since
D.
As
【单选题】以下有关离合器功能和作用描述错误的是 :
A.
可以实现车辆的平稳起步
B.
是纯电动汽车必备的起步装置;
C.
换挡过程可以中断传动系的动力,配合换挡。
D.
可以在混合动力传动系统中实现动力传动路线的切换。
【单选题】hey are too tired __. [     ]
A.
not to stand up
B.
to stand up
C.
to they stand up
D.
stands up
【单选题】—Who helped you with your English? —_______! I learned it all by myself. [     ]
A.
Anybody
B.
Somebody
C.
Nobody
D.
Everybody
【单选题】以下可以使用专用preamble码进行随机接入场景是()
A.
在RRC_IDLE状态时,发起的初始接入
B.
在RRC_CONNECTED状态时,发起的连接重建立处理
C.
小区切换过程中的随机接入
D.
在RRC_CONNECTED状态时,上行数据到达发起的随机接入;如上行失步或无SR使用的PUCCH资源(SR达到最大传输次数)
【单选题】—Who helped you repair your chair? —______! I repaired it all by myself. [     ]
A.
Somebody
B.
Anybody
C.
Nobody
D.
Everybody
【单选题】—Who helped you repair your bike? —______! I repaired it all by myself. [     ]
A.
Everybody
B.
Anybody
C.
Somebody
D.
Nobody
【单选题】以下可以使用专用preamble码进行随机接入场景是()。
A.
在RRC_IDLE失态时,发起的初始接入
B.
在RRC_CONNECTED状态时,发起的连接重建立处理
C.
小区切换过程中的随机援入
D.
在RRC_CONNECTED状态时,上行数据到达步起的随机接入;如上行失步或无SR使用的PUCCH资源(SR达到最大传输次数)
【单选题】— Who did it sound like? Anybody you know? — Well, perhaps Jeff. I ____ who was calling before he hung it up. [     ]
A.
must have asked
B.
needn't have asked
C.
couldn't have asked
D.
should have asked
【判断题】“Michael broke the window.” is more about what Michael did, and “the window was broken by Michael.” is more about what happened to the window.
A.
正确
B.
错误
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