【简答题】变压器是利用( ) 原理制成的一种静止的电气设备。它能将某一电压值的交流电压变换成同( ) 的所需电压值的交流电,以满足高压输电、低压供电及其他用途的需要。
【单选题】Lynn: I love my new English class.
A.
What do you like about it?
B.
What do you think of it?
C.
What's your impression of it?
【单选题】Choose the correct words to complete the conversation. Lynn: What sports do you like? Adam: Let's see. I like skiing, surfing, and ____1____. Lynn: Wow, you really like ____ sports! You're very advent...
【简答题】变压器是利用____原理制成的一种静止的电气设备。它能将某一电压值的 交流电压变换成同频率的所需电压值的交流电,以满足高压输电、低压供电及其他用途的需要。
【单选题】Choose the correct words to complete the conversation. Lynn: What sports do you like? Adam: Let's see. I like skiing, surfing, and ____1____. Lynn: Wow, you really like ____ sports! You're very advent...
【判断题】上臂长的测量是从肩峰外侧端到肱骨外上髁的距离。
【单选题】跟踪辅助规律要求秘书活动必须与领导活动保持( )同步运转。
【简答题】变压器是利用______将某一电压的交流电变成频率相同的另一电压的能量变换装置。