刺激红细胞增殖分化的细胞因子为
A．GM-CSF B．G-CSFC．EPO D．M-CSFE．TP
参考答案：C
―It’s a pity that many people lost their lives in the wreck accident in South Korea.
― I think so. It’s not wise _______ the captain to _____ first.
A．for, run away
B．of , run away
C．that, run off
D． of, run out
在Ba（OH）2溶液中逐滴加入KAl（SO4）2溶液，可能发生反应的离子方程式是（ ）
A．Al3++2SO42-+2Ba2++4OH-→2BaSO4↓+AlO2-+2H2O
B．2Al（OH）3+SO42-+Ba2++2OH-→BaSO4↓+2AlO2-+4H2O
C．Al3++3AlO2-+6H2O→4Al（OH）3↓
D．H++AlO2-+H2O→Al（OH）3↓
