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【单选题】
Ethernet采用的媒体访问控制?A.
令牌总线
B.
令牌环
C.
CSMA/CD
D.
无竞争协议
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【简答题】如果数列极限存在,则数列的有界性是 。
【简答题】阅读理解。 Mary was an operator (接线员) of 911 in Los Angeles. One Thursday morning, she was surprised to get a call from a young child who said 'Mommy ill, Mommy ill' again and again. Mary hurried to find t...
【简答题】数列有界是数列极限存在的（ ）(填写充分条件、必要条件或者充要条件，三选一）
【单选题】What is the professor's attitude about the studies on social influence?
A.
She seems surprised by the results.
B.
She appears to be very interested in them.
C.
She needs more information about them.
D.
She doubts that there is practical application.