A:曲线C恒经过点P
B:仅当=0,0时曲线C经过点P
C:仅当=0,0时曲线C经过点P
D:曲线C不经过点P
细胞分裂后所形成的细胞与原细胞的不同之处是( )
—Excuse me. Could you tell me_____ get to the nearest post office?
—Sorry ,I am new here
Do you enjoy English in our class, Mr Green?