氯霉素的药物主要副作用是A．引起消化溃疡 B．引起听力损害 C．引起肾脏毒性 D．引

下列有关化学基本概念的判据正确的是

A．氧化还原反应：元素化合价是否变化

B．共价化合物：是否含有共价键

C．强弱电解质：溶液的导电能力强弱

D．胶体：是否有丁达尔效应

第二节：完形填空（共20小题；每小题1.5分，满分30分）

阅读下面短文，掌握其大意，然后从36-55各题所给的四个选项（A、B、C和D）中选出最佳选项。

For as long as I can remember, I have been very_36____ at arguing with people. As soon as someone disagrees with me, I get angry because I feel __37__, like the other person is out to show that I am __38__. And for some reason, I hate being wrong! So my __39__ reaction is to get very defensive. I __40__ my voice, and I end up saying something I later __41__. Needless to say, the whole thing ends with me blaming __42__, and the other person feeling alienated(疏远) from me. This bothers me especially because my mother does the exact same thing and I hate __43__.

I have noticed this tendency in me for a long time now, __44__ I have never been able to stop. I did some __45__ management work with a therapist(治疗专家) a while ago, but because I moved and __46__ an advisor at school who can’t see me __47__, I have not been able to continue this important work. They tell you to stop and count to 10, __48__ your breathing, calm yourself down before you __49__. But that’s the whole problem. I could never think of __50__ myself until it was too late! The __51__ things had already come out of my mouth, and I was stuck picking up the pieces.

Right now the __52__ is urgent because my relationships with a wonderful boy is __53__ because of my being afraid of being wrong. He is closing himself off from me because I have hurt him, and __54__ I am no longer attractive as a woman with no confidence in myself and a bad temper. How do I stop ruining my relationships and hating myself? How do I stop __55__ being wrong?

36. A. bad                           B. good              C. hateful                     D. quick

37. A. disappointed          B. excited              C. attacked            D. ashamed

38. A. wrong                       B. foolish                 C. empty-headed    D. right

39. A. unusual               B. immediate       C. following          D. last

40. A. raise                          B. lower                C. keep                 D. change

41. A. remember                  B. regret                C. forget               D. realize

42. A. her                              B. him                  C. me                    D. myself

43. A .it                               B. her                   C. them                 D. us

44. A. so                      B. but                   C. although            D. however

45. A. health                        B. action           C. calmness           D. anger

46. A. headed to                   B. asked for           C. turned to          D. referred to

47. A. regularly                    B. carelessly          C. immediately      D. patiently

48. A. stop                           B. manage             C. keep                 D. control

49. A. say                            B. chat                  C speak                 D. talk

50. A. stopping                    B. managing          C. persuading      D. helping

51. A. hurtful                  B. surprising          C. colorful             D. dangerous

52. A. event                         B. thing                 C. affair                D. problem

53. A. in the way                  B. in the end          C. in danger           D. in the beginning

54. A. no doubt                    B. no problem     C. no wonder         D. no way

55. A. liking                        B. hating           C. finding              D. dealing

汽车车轮是由（）和轮辋以及两个元件之间的连接部分所组成

A、轮胎

B、辐条

C、辐板

D、轮毂

有人研究340K时N₂O₅的分解反应：2N₂O₅ 4NO₂+O₂，所得实验数据见下表。

(1)图像能够非常直观地描述物理量的变化趋势。请在下图中作出N₂O₅与O₂浓度随时间变化的关系图。

(2)数据处理是化学实验过程中非常重要的一个环节。请按下式计算化学反应速率，将计算结果填入表中。

(3)根据计算结果寻找用各种物质表示的化学反应速率之间的关系__________________。

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