采血完毕后血液处理及保存程序正确的是（）。 A.无需送输血科进行红细胞ABO血型及R

下面内容不属于使用软件危机的是( )。

A．软件质量难以保证

B．软件的成本不断提高

C．软件需求增长缓慢

D．软件不可维护或维护程度非常低

57和133的最大公约数是______，最小公倍数是______．

第二部分：完形填空（共20小题；每小题1.5分，满分30分）

A while ago my family and I went sledding. As I watched my children climbing up the slope, I started  36 .

Many people are  37  that most of today’s social problems are because of the “me ” generation; youngsters are just out for  38  and pay no attention to others or their needs. Indeed, a common belief is that today’s youngsters won’t do anything  39  there is something in it for them.

Yet, while sledding, I saw a  40  side to youngsters. I watched my two oldest children  41  my youngest by the hand to help her up the slippery slope each time they  42 . They would have been faster  43  her, but not once did they try to  44  her without helping.

Don’t get me wrong; these children  45  fight among themselves and, on occasion,  46  horribly. But I can take them  47  and know that they won’t ask for anything; I can talk to them about hurricane victims and know that they will  48  to donate some of their own money.

Perhaps, therefore, the “me” generation is to  49  for many social problems — not the youngsters who want everything, but the  50  in their lives who have taught them to selfishly think only of themselves. Most adults have been  51  at some time or another. In this case, they are really cold towards others.  52 , many pass it down to their children. Then the children learn to put themselves first!

Most young children want to help. We can  53  that feeling to continue into adulthood by teaching the  54  my children learned while sledding: Life is a slippery slope with  55  of bruises（受伤）, but we can all make it to the top if we remember to help those who need it.

36. A. planning                   B. crying                            C. teaching                  D. thinking  

37. A. proud                       B. content                    C. convinced                D. frightened

38. A. others                       B. everything               C. themselves               D. everybody

39. A. unless                       B. when                       C. if                            D. until

40. A. far                                   B. wrong                            C. dark                       D. different

41. A. take                          B. leave                       C. notice                      D. find

42. A. gave away                 B. went up                   C. looked out               D. put down

43. A. without                            B. for                          C. with                        D. beyond

44. A. drop by                    B. call on                            C. go for                      D. pass by

45. A. never                        B. sometimes                C. finally                    D. especially

46. A. speak                        B. respond                   C. behave                    D. want

47. A. fishing                      B. shopping                 C. studying                  D. playing

48. A. offer                         B. refuse                      C. compete                  D. allow

49. A. blame                       B. support                   C. praise                      D. judge

50. A. teachers                    B. parents                    C. adults                            D. children

51. A. inspired                    B. fortune                    C. retired                    D. disappointed

52. A. Surprisingly              B. Similarly                 C. Hopefully                D. Sadly

53. A. understand               B. share                       C. encourage               D. describe

54. A. advice                       B. technique                C. mistake                   D. lesson

55. A. wishes                       B. possibilities              C. means                            D. imaginations

病历摘要：患者男性35岁患者，诊断为重度主动脉瓣狭窄，拟行心内直视术，术前一天突感左心前区疼痛，伴冷汗、恶心。

关于主动脉瓣狭窄，说法哪些正确（）

A.主动脉狭窄时左室向心性肥厚是主要代偿机制

B.主动脉瓣狭窄的三大症状是心绞痛、晕厥和呼吸困难

C.正常的左房收缩对主动脉瓣狭窄病人十分必要

D.冠状动脉正常的主动脉瓣狭窄病人不会有心绞痛

E.主动脉瓣狭窄病人术中心肌保护较一般心脏病手术更重要

采用电学放大原理的（）出现于20世纪初。

A、真空管助听器

B、炭精助听器

C、真空电子管助听器

D、电子管助听器

E、放大板助听器