当三极管电路短电时,不能用万用表的欧姆档去测量三极管间的电阻()
参考答案:对
若已知点P(a-2,2a+3)在y轴上,则点P到原点的距离是( )。
There will be a heavy storm ___________ this evening.
A.in thunder and lightning
B.had thunder and lighting
C.had thunder and lightning
D.with thunder and lightning