题目

看!公共汽车来了, 你最好快点。 答案：Look! Here comes the bus, and you'd better hurry up.下列热化学方程式中△H代表燃烧热的是 [     ]A．CH4(g)+O2(g)==2H2O(l)+CO(g) △H1 B．S(s)+3/2O2(g)==SO3 (S) △H2 C．C6H12O6(s)+6O2(g)==6CO2(g)+6H2O(l) △H3 D．2CO(g)+O2(g)==2CO2(g) △H4