下列二次函数的图象,不能通过函数y=3x2的图象平移得到的是( )
A:y=3x2+2
B:y=3(x﹣1)2
C:y=3(x﹣1)2+2
D:y=2x2
一 Has she replied to your question?
— Not yet. She says she is busy at the moment.
扩句。
①小蜜蜂飞来飞去。
②浪花跳跃。