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【单选题】
My mother was . I had to look after her . [     ]
A.
in hospital, in hospital
B.
in the hospital, in hospital
C.
in hospital, in the hospital
D.
in the hospital, in the hospital
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参考答案:
举一反三
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【判断题】TCP/IP体系结构网际层和网络接口层定义了IP分组跨多个传输网络实现端到端传输的过程。
A.
正确
B.
错误
【简答题】There are people ______ ______ years of age. The tend to lvie in their own ______ ______ ______. They become more concerned with their ______. Because people are ______ ______ than before. They are ga...
【判断题】实验标准偏差就是测量结果的算术平均值。
A.
正确
B.
错误
【简答题】A.哭 B.呼 C.呻 D.歌 E.笑 心在声为
【单选题】肾在声为
A.
B.
C.
D.
E.
【判断题】TCP/IP体系结构网际层和网络接口层定义了IP分组跨多个传输网络实现端到端传输的过程。
A.
正确
B.
错误
【简答题】呻吟覆叠空间
【简答题】TCP/IP是一个协议族,它的体系结构分4层:应用层、网际层、网络接口层和(46),其中ARP协议属于(47)。为了在源主机和目的主机之间传送数据,IP协议需要确定源主机和目的主机是否在同一个网络中。 A.会话层 B.传输层 C.网络层 D.表示层
【单选题】心在声为
A.
B.
C.
D.
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