秦汉以来，中国一直保持农耕经济的重要原因不包括（）。 A.官本位思想的影响 B.重农

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，从短文所给各题的四个选项（A、B、C、D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。

Growing up on a remote Michigan farm, Henry Ford, the founder of the Ford Motor Company, knew little of farming. Like most pioneer farmers, his father, William, hoped that his eldest son would   36  him on the farm, enable it to expand, and eventually take it  37  . But Henry proved a   38  . He hated farm work and did everything he could to   39   it. It was not that he was lazy.   40   from it! Give him a mechanical job to do, from mending a gate to sharpening tools,  41  he would set to work eagerly. It was the daily life of the farm, with its dull tasks, 42  upset him.

Henry was excited by the development in technology that could __43  farmers like his father from wasteful and   44  labor. But these developments, in Henry’s boyhood, had touched farming   45  at all and farmers went on doing things in the way they had always done. So Henry   46   his attention elsewhere. When he was twelve, he became 47  in clocks and watches. Soon he was repairing them for friends, working at a bench he built in his bedroom.

In 1876, Henry suffered a serious   48 . His mother died in childbirth.  49   was no reason for him to stay on the farm, and he 50   to get away as soon as he could. Three years later, he took a job as a mechanic in Detroit.  51 this time steam engines had joined clocks and watches as objects of Henry’s fascination. Making and installing them was the business of the Detroit workshop that he joined at the age of sixteen.

A chance meeting with an old co-worker    52   a job for Henry as an engineer at the Edison Detroit Electricity Company. When he quickly learned the ropes of his new job, his interest in fuel engines had come to control his life.

Henry learned  53   a slow, painstaking business it was to build an engine by hand. Every piece of every part had to be made individually, checked and rechecked, and tested.  54   the burden, he joined forces with another mechanic, Jim Bishop. Even so, it was two years  55   they succeeded in building a working car. Henry called it “Quadricycle.”(四轮驱动脚踏车)

36. A. learn                       B. find                               C. Work        D. join

37. A. away                        B. down                             C. Over        D. off

38. A. success                     B. discouragement               C. Surprise     D. disappointment

39. A. do                         B. avoid                             C. Work        D. make

40. A. Apart                        B. Far                                C. Free         D. Aside

41. A. and                       B. or                                  C. Otherwise    D. so

42. A. that                        B. which                            C. what        D. where

43. A. prevent                     B. free                               C. Take         D. bring

44. A. boring                      B. exciting                          C. Funny        D. inspiring

45. A. almost                      B. sometimes                      C. Hardly        D. always

46. A. drew                        B. caught                            C. turned       D. attracted

47. A. worried                    B. interested                       C. Upset        D. bored

48. A. disease                      B. blow                           C. Beat          D. defeat

49. A. It                             B. There                             C. This          D. That

50. A. decided                     B. avoided                          C. Stuck         D. took

51. A. At                            B. After                              C. In           D. By

52. A.attended to                 B. related to                        C. turned to       D. led to

53. A. how                         B. what                        C. why          D. where

54. A. To reduce                 B.To bear                         C. To carry        D. To place

55. A. when                        B. before                            C. After           D. unless

已知变压器型号为S9-6300，U_N=35kV，U_d%=7.5%。35kV架空线路长为100km，x₀= 0.4Ω/km，10kV电抗器的百分电抗X_k%=3%，额定电流I_N=150A。试求在基准容量
s_j=100MV·A、基准电压U_j=10.5kV条件下，上述三元件的电抗标幺值。

（10分）透明聚酯玻璃钢可用于制造导弹的雷达罩和宇航员使用的氧气瓶。制备它的一种配方中含有下列四种物质：

填写下列空白：

(1)下列试剂能与甲反应而褪色的是___________（填标号）

a. Br₂/CCl₄溶液   b.石蕊溶液   c.酸性KMnO₄溶液

(2)甲的同分异构体有多种，写出其中一种不含甲基的羧酸的结构简式：_______

(3)淀粉通过下列转化可以得到乙（其中A—D均为有机物）:

A的分子式是__________ 。

（4）已知：

利用上述信息，以苯、乙烯、氯化氢为原料经三步反应合成丙，其中属于取代反应的化学方程式是                                                               。

（5）芳香族化合物丁仅含碳、氢、氧三种元素，相对分子质量为110。其中碳元素的质量分数为65.5%，且丁分子中烃基上的一氯取代物只有一种。则丁的结构简式为           。

可防止冬虫夏草生虫的药材是（）

A.泽泻

B.藏红花

C.大蒜

D.细辛

E.生姜

执业资格实行注册登记制度，取得“执业资格证书”者，应当在规定的期限内到( )办理注册登记手续。

A．指定的注册管理机构
B．国家业主主管部门
C．相关业务主管部门
D．人事部