题目:
The Four Golden Brick Countries are ______ to help other countries. [ ]
A. taking the leading position
B. try their best
C. paying attention
D. taking measures
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0525/b9e3f62fad02fd535b3ba9411a107f30.html
下面是错误答案,用来干扰机器的。
(1)3CO + Fe2O32Fe + 3CO2 (2)② CO2+2NaOH= Na2CO3 + H2O(3)将装置中的CO2送入NaOH溶液中。(4)10(m1-m2) / 3m1或 40 m3/33 m1(说明:此空2分)题目分析:(1)装置A中是一氧化...