—_______. But this summer I plan to go to Shanghai Disneyland with my parents.
A:Yes, I did
B:No, I didn't
C:Yes, I have
D:No, I haven't
There aren't posters in the room, but there are desks.
下列关于两栖动物的说法中,不正确的是( )
二次函数y=﹣x2+2x﹣3图象的顶点坐标是____.
在日常生活中,下列做法不正确的是( )