生物按照形态结构可以分为___________、___________和其他生物

向20 mL NaOH溶液中逐滴加入0.1 mol/L醋酸溶液，滴定曲线如右图所示。下列判断正确的是（   ）

A．在M点，两者恰好反应完全

B．滴定前，酸中c(H^＋) 等于碱中c(OH^－)

C．NaOH溶液的物质的量浓度为0.1 mol/L

D．在N点，c(CH₃COO^-)>c(Na⁺)>c(H⁺)>c(CH₃COOH)

LASIK手术主要是利用激光的（）。

A.强电场效应

B.热效应

C.弱刺激效应

D.光化学效应

E.压强电离效应

第二节完形填空（共20小题；每小题1.5分，满分30分）

My first job was at a local diner, where I worked for seven years and learned so many lessons, especially from a fellow waitress.

Helen was in her 60s and had extraordinary self-respect, something I was really lacking. I looked up to Helen 41  she was doing what she loved---  42  people--and nobody did it  43  . She always made everyone, customers and co-workers,   44   and feel good.

Being a waitress changed my life. One of my 45 customers was Fred Hasbrook. He always ate an omelet, and when I saw him 46 , I tried to have it on his table as soon as he sat down.

Thanks to the newfound confidence I 47 from Helen, I dreamed of having my own 48 .But when I called my parents to ask for a loan (贷款), they said, "We just don't have the  49 ."

The next day, Fred saw me and asked, "What's up? You're not smiling today”. I 50 my dream with him and said, "Fred, I know I can do more if somebody would just have 51  in me."

Before long he handed me checks totaling $ 50,000--along with a  52  that read, "The only collateral(抵押) on this loan is my trust in your  53  as a person. Good people with a dream should have the 54 to realize that dream."

I took the checks to Merrill Lynch, where the money was provided for me. I 55 working at the diner, making 56 for the restaurant I would open. My plans failed, 57 , and I lost the money.

Later I decided to apply for a job at Merrill Lynch. Even though I had no experience, I was  58 and ended up becoming a pretty good agent.  59 I paid back Fred the $ 50,000, plus 14 percent annual interest. Five years later, I was able to 60 my own firm.

41. A. because          B. though                C. while                  D. unless

42. A. helping          B. respecting             C. serving                  D. praising

43. A. faster           B. better                 C. harder                 D. later

44. A. drink            B. digest                C. smile                  D. sing

45. A. regular          B. favorite              C. tough                         D. fresh

46. A. eating           B. greeting              C. ordering                D coming

47. A. found out        B. picked up            C. got back                D. took away

48. A. restaurant        B. confidence            C. house                  D. work

49. A. choice           B. way                  C. idea                   D. money

50. A. exchanged               B. discussed               C. shared                 D. analyzed

51. A. patience           B. pride                     C. faith                        D. interest

52. A. letter            B. sign                  C. notice                  D. note

53. A. honesty          B. responsibility         C. devotion              D. motivation

54. A. ability            B. luck                       C. time                 D. chance

55. A. loved                   B. practiced             C. continued           D. enjoyed

56. A. adjustments      B. plans                C. decisions             D. suggestions

57. A. instead                  B. therefore             C. though               D. meanwhile

58. A. hired             B. rejected              C. encouraged           D. determined

59. A. Fortunately       B. Excitedly             C. Personally                  D. Eventually

60. A. design            B. open                C. restart                  D. expand

采煤机停止工作或检修时必须（），并打开其磁力启动器的隔离开关。

针对工作压力，社会工作研究不应该简单地描述现状，而应该依托( )，在发现其可变原因的基础上提出相应的干预思路，并予以具体推行，以协助当事者舒缓工作压力，促进其增强自己的能力。

A．系统的理论

B．精神分析的理论

C．人在情境中的理念

D．任务中心的理念

E．人本主义的理念