科技谈判的作用？
参考答案：
（1）促进科技成果的转化
（2）调动科研人员积极性
（3）促进横向联合与协作
下列反应中属于氧化还原反应的是（ ）
A．CaO+H2O=Ca（OH）2
B．H2+CuO 高温 . Cu+H2O
C．BaCl2+H2SO4=BaSO4↓+2HCl
D．Cu（OH）2+H2SO4=CuSO4+2H2O
Little Tom admitted ______ in the examination, ______ the teacher his word that he wouldn’t do that again.
A．to cheat; to give
B．cheating; kept
C．to have cheated; keeping
D．having cheated; giving
