损骨的表现()
A.寒
B.热
C.风
D.气
E.脓
参考答案:A
It's not enough to have________for the disabled.We must do something to help them live better. [ ]
A. sympathy
B. patience
C. dignity
D. ambition
下列哪项不是单细胞生物( )
A.草履虫
B.水母
C.衣藻
D.酵母菌