水准仪在某测站读取水准尺上丝读数a，下丝读数b，视距常数为C=100，则水准仪与水准

试述棘皮动物门的主要特征。

我国科学家在CO低温氧化的研究上取得了突破性进展。利用四氧化三钴纳米棒，可将汽车尾气中的CO在低温下与氧气反应转化为CO₂，示意图如下。下列关于该转化的几点说法，不正确的是

A．反应前后氧原子数不发生变化

B．反应中CO与O₂的质量比为7:4

C．四氧化三钴纳米棒可能是反应的催化剂

D．反应前后分子的数目没有发生改变，分子的种类发生了改变

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。

A great many people are disappointed because of unrealistic expectations.

Walking up to a department store’s cloth counter, a(n)  36 young woman said,“I want to buy this material for a new dress. How much does it cost?”

“Only one  37 per yard,” replied the smirking (自鸣得意的) male clerk.

Not to be 38   back by the funny words, the woman said,” That’s fine! I’ll take ten yards.”

With 39written all over his face, the clerk 40 measured out and wrapped the cloth, then held it out teasingly, 41   forward to receive his “  42  ”.

The woman got the package quickly from the clerk and 43 to a little old man standing beside her. “Grandpa will pay the bill instead of me,” she  44 .

He was no 45  disappointed. But in the course of living, many people are 46 when others do not 47 their expectations. In order to be happy, some expectations must be 48. These three particular 49 and unhealthy expectations are some of the main causes:

1. Expect too much  50  .When others say,“Thank you,” or in any way to show their gratitude, be  51  . It is a gift!

2. Expect others to make you happy. They simply cannot do that. Make yourself happy and 52 your joy with others.

3. Expect not to be 53   . At times, people will simply not come through for you in the way you need. 54 them and move on.

Get rid of these three unrealistic expectations and you can begin to expect more 55 right away!

36. A. tricky           B. attractive               C. ugly                      D. generous

37. A. kiss             B. pay              C. dollar                  D. cent

38. A. moved         B. forced                      C. fought                D. taken

39. A. happiness        B. enjoyment              C. expectation      D. courage

40. A. hurriedly         B. slowly                    C. patiently         D. curiously

41. A. setting          B. sitting                       C. leaning          D. taking

42. A. reward         B. payment                  C. bonus           D. money

43. A. tended         B. paid                           C. pointed          D. nodded

44. A. smiled          B. begged                   C. waved          D. thought

45. A. wonder                                            B. use                     C. good    D. doubt

46. A. encouraged      B. disappointed            C. annoyed         D. surprised

47. A. live up to       B. go against                  C. go without       D. hope for

48. A. set            B. made                          C. dropped         D. completed

49. A. reasonable      B. proper                        C. unimportant      D. unrealistic

50. A. profit         B. kiss                             C. appreciation       D. disappointment

51. A. happy        B. sad                             C. angry           D. excited

52. A. spare         B. share                            C. make           D. control

53. A. put down      B. let down                    C. taken down      D. thrown down

54. A. Forgive        B. Punish                     C. Blame          D. Praise

55. A. happiness    B. encouragement                 C. excitement       D. pride

根据合同法及相关规定，当事人在订立合同过程中有下列哪些行为，给对方造成损失的，应当承担损害赔偿责任？

A．故意隐瞒与订立合同有关的重要事实

B．假借订立合同，恶意进行磋商

C．泄露在订立合同过程中知悉的商业秘密

D．不正当地使用在订立合同过程中知悉的商业秘密

下述对建筑抗震概念设计的理解（）是正确的。（）

A.建筑抗震概念设计只对建筑结构进行原则性整体布置并确定细部构造，而无须进行数值设计

B.概念设计是指根据地震灾害和工程经验等所形成的基本设计原则和设计思想进行建筑和结构总体布置并确定细部构造的过程

C.抗震概念设计虽然重要，但必须在数值设计结果的基础上进行

D.掌握抗震概念设计是明确抗震设计思想，灵活恰当地运用抗震设计的原则，不陷于盲目的计算工作，比较合理地进行抗震设计