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【判断题】
天线方向图的主瓣越窄、副瓣越小的天线其增益就越高,方向性越好,作用距离越远。( )A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】听力原文：W: Alex, are you going to have a conference call this evening? M: No, Susan. I have another commitment. Q: What does the man mean? (13)
A.
He'll try hard to attend the conference.
B.
He has to go somewhere else.
C.
He doesn't like commitments.
D.
He has forgotten the conference call.
【单选题】What else does Susan like to do?
A.
listen to music
B.
watch films
C.
read and write microblogs
【简答题】Listen for the following 3 sentences and write them out.
【单选题】What else does Susan like to do?
A.
listen to music
B.
watch films
C.
read and write microblogs
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