淋巴因子激活的杀伤细胞

杜威认为：“实践就是人类应对环境的—种活动，这种活动和动物适应环境的活动相比，没有本质的区别。”杜威的观点

A．强调了实践具有客观物质性

B．否认了实践具有主观能动性

C．否认了实践具有社会历史性

D．强调实践是认识的基础

28岁，闭经4个月，下腹坠痛1周， * * 少许出血2天。妇科检查：宫颈外口闭，子宫如孕5周大小，质软，双附件未及肿物，于闭经40天时，曾在外院行尿HCG试验阳性。首先应采取的辅助检查是（）

A.诊断性刮宫

B.血清β-HCG测定

C.B超明确宫腔内有无胎儿及是否存活

D.尿妊娠试验

E.多普勒超声检查

1913年章太炎在报上刊登征婚广告，条件是：以湖北籍女子为限；须文理清顺；大家闺秀；要不沾染学堂中平等自由之恶习；有从夫之美德。其开创风气的表现是[ ]

A、婚礼简约

B、自主择偶

C、自由恋爱

D、夫妻平等

第二节：完形填空（共20小题；每小题1.5分，满分30分）

Everything speeds up with people’s lives. People often eat fast food __36__ nice meals cooked by mother __37__. They go to the shop, where the meal is __38___ cooked. They can take __39__ from the shelf when they ___40___ their dollars and in ten minutes eat it and ___41__ their dinner. This is not good for __42___.

People move a great __43__ from city to city, ___44___ their jobs. Airplanes go ___45__ between cities. Every twenty-five seconds planes are taking off from the airports. When people move __46__ the cities, they leave their friends ___47___, moving from place to place. They leave their old mother and father, their children, and leave their __48___. And people become without roots, without a place ___49__ they can really call “home”. This has very__50___ effects. One thing is that the old people often live so far from their children that, ___51__ they become old, there is nobody to __52___ them. Brothers and sisters move far away from each other. They telephone each other. But the families are very __53___. The society doesn’t have the __54___ ways any more, which kept people ___55___ together. And many people feel rather lonely today.

36. A. without               B. together with           C. instead of                       D. as

37. A. at school             B. at home                   C. in the house                    D. in the kitchen

38. A. already              B. still                      C. not                                 D. just

39. A. them                  B. it                            C. everything                       D. little

40. A. put                            B. get                           C. set                                  D. pay

41. A. finish                 B. cook                        C. fetch                        D. bring

42. A. families                     B. children                   C. old people                      D. business

43. A. many                 B. much                       C. deal                        D. far

44. A. doing                 B. to do                       C. changing                 D. change

45. A. usually               B. immediately             C. constantly                        D. fast

46. A. from                  B. to                           C. in                           D. aroun

47. A. behind                      B. away                       C. out                                 D. off

48. A. friends                      B. parents                     C. teachers                   D. students

49. A. or                   B. and                         C. where                             D. that

50. A. bad                    B. surprising                C. exciting                          D. great

51. A. if                             B. when                       C. since                       D. because

52. A. see                            B. look after                 C. hear from                 D. telephone

53. A. scattered            B. different                  C. large                        D. separated

54. A. new                   B. old                          C. easy                                D. same

55. A. close                  B. near                         C. live                          D. friendly

如果气门间隙调整过大，气门脚位置将出现异响，该异响的特征为：（）。

A.怠速时出现有节奏的“嗒嗒”声

B.转速升高，响声增大

C.单缸断火，响声不变

D.发动机温度升高，响声减弱

E.单缸断火，响声减弱