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【简答题】
4Cs是指______、______、______和沟通4个因素。
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【简答题】通常把______的透镜叫凸透镜，凸透镜对光线有______作用；把______的透镜叫凹透镜，凹透镜对光线有______作用．
【简答题】Although he is o____-looking, yet he is well received by his workmates.
【单选题】全双工以太网传输技术的特点是( )。
A.
不能同时发送和接收帧，网段最长距离不受限制
B.
不能同时发送和接收帧，网段最长距离受限制
C.
能同时发送和接收帧，网段最长距离不受限制
D.
能同时发送和接收帧，网段最长距离受限制
【单选题】Mr. Smith works with an auto company, but he _________ for this industrial exhibition, since he is on leave. [ ]
A.
has worked
B.
worked
C.
has been working
D.
is working
【简答题】根据首字母或汉意填空，每空一词。 1. Zhu used to be shy, but now he is o______. 2. I don't like speeches. I feel n______ talking in front of many people. 3. When I began to sing，he laughed and made me very ____...
【单选题】– Your English teacher is so popular with students. -- You are right! Jennifer’s nice to us all. She’s _____ a teacher _____ a friend for us.
A.
not only; but also
B.
both; and
C.
either; or
D.
neither; nor
【单选题】( )—What do you think of your English teacher?
A.
like him very much. He is ________ handsome ________ hard－working.
B.
Either; or
C.
neither; nor
D.
Not; or
E.
not only; but also
【简答题】Sometimes, people simply do not realize they are being ill mannered. Take Ted, for example. He prides himself on speaking his mind, and has something to say on everything. But his frankness is often e...
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