如图所示,两枚铁质大头针的针尖吸引在条形磁铁的下端,发现两枚大头针的针帽一端相互排斥,这是因为( )
A:磁化后两枚大头针的针帽都是S极
B:磁化后两枚大头针的针帽都是N极
C:磁化后两枚大头针的针帽一个是S极,一个是N极
D:以上说法均不正确
⑴Can you put up the Christmas tree? ____
⑵We are going to write Christmas cards to our friends. ____
⑶Santa is a merry man in red clothes. ____
⑷It's a Chinese lantern for you. ____
⑸This morning we open the gifts! ____
A. B. C. D. E.