— No, it's not ________.
A:yours
B:his
C:hers
D:mine
主视图 俯视图
When you learn to ride a bike, you have to learn to _______ first.
如图电路,E=8V,r=1Ω,R0=3Ω,变阻器R的可调范围为0~10Ω,S闭合,
— is your favorite student?
— Kangkang.