皮皮学，免费搜题
登录
搜题
【多选题】
电晕放电的危害有（）。A.
消耗有功电能
B.
消耗无功电能
C.
引起绝缘腐蚀
D.
对无线电和高频通信产生严重的干扰
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Chaplin was not just a ___________, he was among the most influential figures in film history.
A.
genuine
B.
genius
C.
generous
【简答题】在Excel 2007中,日期型数据在单元格内自动( )对齐。
【单选题】Chaplin was not just a ________, he was also among the most influential figures in film history.
A.
genius
B.
movie star
C.
director
D.
actor
【单选题】SQL*PLUS显示student表结构的命令是
A.
List student
B.
DESC student
C.
SHOW DESC student
D.
Show structure student
【简答题】十进制数86,转换为8421BCD码为( )。
【简答题】Chaplin was not just a ______, he was among the most influential figures in film history.(天才)
【简答题】Chaplin was not just a _____________ , he was among the most influential figures in film history. 卓别林不仅是个 天才 ,还是电影史上最有影响的人物之一。
相关题目：