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【判断题】
以太网(Etherne)是一种基带局域网规范,使用总线型拓扑结构和CSMA/CA技术。
A.
正确
B.
错误
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举一反三
【简答题】I am late for work today because of the t_____ jam.
【单选题】有抗心律失常作用的抗癫痫药是
A.
乙琥胺
B.
卡马西平
C.
丙戊酸钠
D.
苯妥英钠
E.
地西泮
【简答题】I am late for work today because of the t_____ jam.
【简答题】A.Princeton. B.Yale. C.Harvard. D.Stanford.
【简答题】Yale is composed of______ colleges.
【判断题】As of 2017, five U.S. Presidents have graduated from Yale University.
A.
正确
B.
错误
【简答题】All urgent matters have now been ______. A) attended         B) attended to    C) attended at    D) to attend
【单选题】I am late for _____ school.
A.
a
B.
the
C.
/
【单选题】We didn't see Tom at the meeting yesterday. He ________it. A. mustn't have attended B. cannot have attended C. needn't have attended D. would have not attended
A.
mustn't have attended
B.
cannot have attended
C.
needn't have attended
D.
would have not attended
【单选题】If I am late for class, the teacher be angry.
A.
were
B.
do
C.
will