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【判断题】
所谓分组交换,就是采用存储转发方式,以“分组”为单位在网内传输。A.
正确
B.
错误
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B.
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C.
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D.
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【简答题】阅读理解 When an emergency situation occurs, observers are more likely to take action if there are few or no other witnesses. This phenomenon is referred to as the bystander effect. The bystander effect i...
【单选题】Correct the mistakes in the passage ___.
A.
if there are some
B.
if any
C.
if some
D.
if it is any
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