并联电路的总电阻为各电阻之和。
参考答案:错
Mrs Smith lives in our building. She is really a good because she is always ready to help people around her.
A.visitor
B.waiter
C.neighbour
D.artist
热深厥亦深,属于下列何证的特点()
A.真热假寒
B.真寒假热
C.真实假虚
D.真虚假实
E.热证转寒