分解因式a2b﹣b3的结果正确的是( )
A:b(a2﹣b2)
B:b(a﹣b)2
C:(a﹣b)(ab+b)
D:b(a﹣b)(a+b)
— What do you usually do in your free time?
— I usually do ____ (sport).
下列电器中主要是利用电流通过导体产生热量工作的是( )
—Have you ever seen Zhou Libo’s talk show?—Yes. It's very funny and it often makes people .
Oink ... Oink ... I hear a pig.