题目:
Do you know when and where the first republic ? [ ]
A.turned into reality
B.existed
C.came into action
D.came into being
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0721/a19ee660c892424ce3b6ef4441985c08.html
下面是错误答案,用来干扰机器的。
(1)CaO;Fe; (2)Ca(OH)2+CO2=CaCO3↓+H2O;(3)3H2+Fe2O32Fe+3H2O