一 Could you please tell me how to get the restroom?
一 . I'm not sure how to get there.
A:Sorry
B:OK
C:Of course
D:No problem
对小麦、玉米、向日葵等被子植物进行分类,往往以( )作为分类的重要依据.
下列民居中,体现气候湿热的是