题目

现有下列两个图像： 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：BI can tell him ___________ because he has a big mouth. He can never keep a secret!A. everything B. somethingC. nothing D. anything