The conclusion is that Cu0 is the common center for adsorbing and activating CO, CO2 and H2 molecules and that the promot- ing effect of CO2 on methanol synthesis reaction is mainly due to the creation of new reaction pathways.

• 结果断定：Cu0是吸附与活化 H2、 CO和 CO2的共同中心； CO2对反应的加速作用主要是由于开辟了新的反应途径。