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【多选题】
交联聚乙烯电线采用多芯圆绞线,其优点是( )。
A.
电场较扇形导体电场均匀
B.
增加导体的柔软性和可曲度
C.
对电缆提高电压等级有利
D.
线芯柔性好
E.
便宜
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【判断题】遭受雨、水冲刷而易发生泥流、溜方或严重剥落和碎落的路基边坡,均宜采用抹面填缝。()
A.
正确
B.
错误
【多选题】二极管按用途来分有()二极管、()二极管、()二极管、()二极管等。
A.
整流
B.
稳压
C.
发光
D.
光电
【判断题】二极管按用途分可分为普通二极管、特殊二极管和变容二极管。( )
A.
正确
B.
错误
【判断题】遭受雨、水冲刷而易发生泥流、溜方或严重剥落和碎落的路基边坡,均宜采用抹面采用抹面填缝。
A.
正确
B.
错误
【简答题】二极管按用途分为 、 两类。
【单选题】听力原文:W:If you're in a hurry you can take the subway. If you want to sightsee,take a bus. M:Actually,I don't have to be at the convention before noon. Q:What will the man probably do? (19)
A.
Take the subway.
B.
Take a bus.
C.
Take a taxi.
D.
Hurry to the convention.
【单选题】Interviewer:Sorry for the inconvenience it may cause you.Interviewee:__________.
A.
You’re welcome
B.
Never mind
C.
Nothing else
D.
It’s OK
【简答题】半导体二极管按用途分为: 普通 二极管、()二极管、()二极管和 开关 二极管。
【单选题】最适合进行输卵管结扎术的时间是
A.
月经干净后3到7天
B.
正常产后56天
C.
难产后72天
D.
人工流产后35天
E.
正常月经干净后15天
【单选题】听力原文:W: Hello, Gary. How're you? M: Fine! And you? W: Can't complain. Did you have time to look at my proposal? M: No, not really. Can we go over it now? W: Sure. I've been trying to come up with some...
A.
The benefits of strong business competition.
B.
A proposal to lower the cost of production.
C.
Complaints about the expense of modernization.
D.
Suggestions concerning new business strategies.
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