-How beautiful Lucy is! She looks smart _______ red.
-Yes, the red clothes are very wonderful _______ her.
A:on; in
B:in; on
C:on; on
D:in; in
Could you tell me a few____(建议)about looking after animals?
下列说法正确的( )
下列四个图形中,不是以x为自变量的函数的图象是( )
自然界中的“氧循环”,下列说法正确的是( )
求证:DC⊥BE.