赤道没有穿过的大陆有 ( )
A:澳大利亚大陆
B:南美大陆
C:亚欧大陆
D:非洲大陆
— What does your new English teacher look like?
— She is a pretty lady long hair.
下列各组转化中,一定条件下均能一步实现的组合是( )