题目

现有下列两个图象：下列反应中符合上述图像的是A．N2(g)＋3H2(g) 2NH3(g)  ΔH<0 B．2SO3(g) 2SO2(g)＋O2(g)  ΔH>0 C．4NH3(g)＋5O2(g) 4NO(g)＋6H2O(g)  ΔH<0 D．H2(g)＋CO(g) C(s)＋H2O(g)  ΔH>0 答案：                                  B根据句意和单词的首字母填空. You don't have enough (足够的) money. You're j________ a child.