【判断题】实验室内可以使用电炉、微波炉、电磁炉、电暖气取暖。
【判断题】从提高系统可靠性的角度看,必须考虑输入门槛电平的大小。门槛电平越高,抗干扰能力超强,传输距离也越远。
【判断题】实验室内可以使用电炉、微波炉、电磁炉、电饭煲等取暖、做饭。()
【单选题】—_____ my baseball? —Under the chair. [ ]
【单选题】And there, almost _____ in the big chair, sat her little brother, who never had to be told to keep quiet.
【简答题】A: Who will chair the meeting? B: ________________________________.
【简答题】Who will chair the meeting?
【判断题】从提高系统的可靠性角度看,必须考虑输入门槛电平的大小。门槛电平越高,抗干扰能力越强,传输距离也越远。
【单选题】_________ my computer ? On the chair.