A:割地
B:赔款
C:开设工厂
D:增开口岸
CH3CH=CH2+CO+H2 一定条件→ CH3CH2CH2CHO CH3CH2CH2CH2OH
CO的制备原理:HCOOH →△浓硫酸 CO↑ + H2O,并设计出原料气的制备装置(如下图所示):
— I saw Mr. Green at school this morning.
— No, it _____ him. He flew to Canada last week.
①生产出生产资料 ②创造出剩余价值
③创造出大于自身价值的价值 ④创造出商品的价值