【多选题】对于命令“CREATE USER 'user1'@’localhost’ IDENTIFIED BY '123'”,下面的解释正确的是
【单选题】听力原文:M: Will you go to the beach with us tonight, Mary? W: I' d love to, but my mother wants me to drive her to the airport. She will go to France to see my brother. Q: What will Mary do tonight? (4)
A.
She will go to the beach.
B.
She will go to France.
C.
She will drive to see her brother.
D.
She will drive her mother to the airport.
【判断题】481手动变速器操纵机构中的自锁装置失效会引起跳档。
【单选题】-Mary has just broken up with her boyfriend. -_________? I don't want to fall in love with her. [ ]
【判断题】RFID技术主要是基于无线电波传送原理的,当无线电波遇到金属或液体时,信号传导会产生干扰与衰减,进而影响数据读取的可靠性与准确度。