题干
Our manager asked us to keep him _______ of what was going on there.
A：informing
B：to be informed
C：informed
D：being informed
答案(点此获取答案解析）
C
。现有0.75mol CH4和CO的混合气体，完全燃烧后生成CO2(g)和18g H2O(l)，共放出515.9kJ热量，由上可知1mol CO完全燃烧放出的热量为（ ）
