【简答题】(2)电路中的滑动变阻器对电路起保护作用.因此开关闭合前,其滑片应移到最_______端(填“左”或“右”);实验过程中,滑动变阻器还有另一个作用是_______
【单选题】Which of the following is the major point of the passage?
A.
Why it is necessary to identify people' s personality.
B.
Why it is possible to describe people.
C.
How to get to know people.
D.
How best to recognize people.
【简答题】下面这些图形分别是从哪个方向上看到的,请你填一填.
【简答题】同步电路和异步电路的区别是:______。
【简答题】Which sentence is better in the following? Why?A. It was on the day following university graduation that I commenced the task of locating employment. B. It was on the day following university graduati...