Hello, I'm a doctor. I work at night. I go to bed at _______.( )
A:11:00 p.m.
B:10 o'clock at night
C: 5 o'clock in the morning
D: 10: 30 p.m.
下列图片中,能体现我国古代中医中药文化成就的是( )
如图1,已知直线l:y=﹣x+2与y轴交于点A,抛物线y=(x﹣1)2+k经过点A,其顶点为B,另一抛物线y=(x﹣h)2+2﹣h(h>1)的顶点为D,两抛物线相交于点C.