属于生物反应调节剂的是
A.TNF
B.IFN-α
C.IL-11
D.EPO
E.CPT-11
参考答案：A, B, C, D
Breakfast is _______ meal of the day. It gives us energy after a long night without food.
A．important
B．more important
C．the most important
D．very important
深冷装置增压压缩机出口温度为（）℃
A、50~60
B、70~80
C、80~100
D、100~120
