题目

已知反应CO(g) + 2H2(g) ⇌ CH3OH(g)的能量情况如图所示，曲线І和曲线Ⅱ分别表示不使用催化剂和使用催化剂的两种情况。下列判断正确的是（） A . 该反应的ΔH=-491kJ‧mol-1 B . 加入催化剂，加快反应速率，该反应的ΔH变小 C . 无论是否使用催化剂，反应物的总能量都大于生成物的总能量 D . 如果该反应生成液态CH3OH，则ΔH增大 第二卷 第四部分 写作（共两节，满分35分） 第一节：对话填空 共10小题；每小题1分，满分10分） M: What are you doing here (76)a_____?                                                  76. __________        W: Just looking at the lights. I like to look at the city at night.                               M: Everybody is standing around the piano and singing. Don’t you want to (77)j_____us?                                                                    77. __________        W: I’d (78)r_____stay out here for a few minutes.                                        78. __________         Look down there where I’m pointing. M: I don’t see anything (79)s_____.                                                             79. __________         W: That’s (80)w_____I used to live when I was a child.                                 80. __________        M: What kind of neighborhood was it? W: A very (81)p_____one. Everybody was supposed to work                          81. __________          hard and end up with a house in the outer area of the city. M: But you’ve ended up with a flat in the sky. W: Yes, and I don’t want to lose it. M: I think that means that all of us had (82)b______go                                         82. __________         home soon so that you can get a little (83)s_____.                                        83. __________         W: I do have to be at the (84)o______in the morning.                                    84. __________        M: Tell me, how do you do it, both work so hard and play so hard? W: I don’t know. I just like to do (85b_____. And I don’t need much sleep.            85. __________