比的前项和后项同时乘以相同的数（0除外），比值的大小不变。[ ]

第二节 完形填空(共20小题；每小题1.5分，满分30分)

阅读下面的短文，掌握其大意，然后从21～40各题所给的四个选项(A、B、C和D)中选出最佳选项，并在答题卡上将该项涂黑。

About 2:00 a.m. Monday, a California highway police officer was hit by an SUV. The officer was   36   about 10 feet before landing on grass. The officer was   37   a motorist whose car had broken down on the freeway.

The police officer was listed in steady（稳定的） condition at a nearby   38  . The accident occurred after the   39   white SUV drove onto the shoulder where the   40   cars were parked. The SUV   41   the officer before ploughing into the police car. The   42   of the broken car was unhurt.

The SUV   43   completely over. The driver climbed out of the SUV and   44  , running in the direction of a nearby   45   . Because another police car was nearby, the police caught the driver  46  . He was charged with（被指控）   47   driving, personal possessions damage, causing personal   48  , and leaving the scene of a(n)   49  .

The driver had no license and no insurance. He had been charged with driving after drinking a

ear   50  . At that time he had   51   injured someone and   52   the scene. He was sentenced to prison for six months. But because the prison was so overcrowded, he was   53   one month later. “What can we do?” said a policeman. “There are a lot more drunk drivers out there every night than there are   54  . The only time we can get them   55   the streets for ever is when they kill someone.”

36. A. beaten                B.flown                 C. thrown                        D. found

37. A. helping        B. blaming             C. fining            D. watching

38. A. station               B. airport              C. park               D. hospital

39. A. big                  B. expensive      C. fast                    D. pretty

40. A. two               B. three            C. police               D. broken

41. A. killed          B. struck        C. picked               D. left

42. A. passenger         B. officer        C. owner            D. driver

43. A. ran               B. rolled               C. pushed            D. drove

44. A. went out       B. went in          C. went away         D. went down

45. A. highway       B. car                 C. exit              D. farm

46. A. angrily        B. hardly         C. quickly           D. recently

47. A. careless        B. forceful       C. tired                    D. drunk

48. A. injury         B. loss          C. death             D. fight

49. A. argument       B. murder        C. accident           D. story

50. A. before         B. later          C. after              D. early

51. A. still           B. yet                 C. always             D. also

52. A. called on             B. went away           C. escaped from       D. turned off

53. A. shot                 B. freed         C. shut                D. hurt

54. A. walkers        B. police        C. passengers           D. doctors

55. A. in             B. from         C. into              D. off

拟除虫菊酯引起的中毒表现为（）。

A.神经系统症状

B.肝功能损伤

C.肾功能损伤

D.血液系统损伤

E.胃肠道症状

在疏水阀的使用中，对圆盘型疏水阀而言，疏水阀不能正常工作的原因可能是（）。

A.气阻

B.反装

C.磨损

D.常开

220kV及以上瓷柱式断路器及罐式断路器应每隔（）年进行一次分、合闸电磁铁动作电压测量。

A.3

B.4

C.5

D.6

君的主要长官。