A:公平是提高效率的保证
B:要贯彻“效率优先,兼顾公平”的原则
C:效率是公平的物质前提
D:初次分配和再分配都要注重公平
He hurt his legs; there is no p____that he will win the match.
Is this your brother? What's _________ name?
促胰液素和促甲状腺激素的靶细胞分别是( )