下列表达式中结果不是日期型的是 ______。A．CTOD("2000/10/01"

男性，16岁，时有酱油色尿而来就诊。红细胞形态正常，血红蛋白90g/L，网织红细胞3.8%；Coombs试验（-），酸化血清试验阳性，冷热溶血试验（-）。本例应诊断为（）

A.运动性血红蛋白尿

B.自身免疫性溶血性贫血

C.阵发性冷性血红蛋白尿

D.冷凝集素血症

E.PNH

.

完形填空（共20小题，每小题1.5分，满分30分）

Many young people in the United States never finish high school. Exactly how many drop out is another issue. Recent studies of  36  rate have had conflicting results.

For one thing, schools define and measure their dropout rates  37 . Some researchers say about 15 to 20 percent of public school students do not  38  their education on time.  39   many other experts and policymakers believe that for the past 20 years, the dropout rate has been around 30 percent. For Latino and black students, the  40  are even larger. Researchers say almost half of them  41  school. At the same time, almost half of the states let students leave school  42  the age of 18 without informing their parents.

Finding a good job  43  a high school education is becoming more and more difficult. A Northeastern University  44  in 2002 found that almost half of all dropouts aged 16 to 24 did not have a job. The  45  of a high school education can also  46  other problems. It is estimated that two-thirds of prisoners in the United States dropped out of high school.

Recent studies have  47  that the majority of students who drop out do it because they are failing. Many are  48  with their classes or feel disconnected from their school and teachers. Some students feel that educators place low  49  on them.

During the past 20 years, there have been efforts to  50  graduation rate through education reforms. Some communities are working on dropout  51  programs. These include some alternative (其它的) high schools to meet special  52 .

Experts think “early warning systems” can help  53  young schoolchildren at the risk of dropping out of high school. They say schools also need to get  54  more involved, especially if their children are  55  school often.

36. A. research            B. finishing           C. dropout          D. completing

37. A. personally          B. individually         C. differently       D. similarly

38. A. complete                B. reach              C. practise          D. operate

39. A. And               B. Besides             C. Instead          D. But

40. A. people            B. students          C. dropouts          D. numbers

41. A. approach          B. leave             C. stay              D. enter

42. A. after              B. until              C. before           D. when

43. A. without           B. together with       C. out of           D. off

44. A. project            B. design            C. sketch           D. study

45. A. importance          B. lack            C. need             D. requirement

46. A. lead to             B. result            C. conclude         D. include

47. A. noticed            B. watched          C. shown           D. inspected

48. A. bored             B. interested         C. indifferent        D. unconcerned

49. A. outlook           B. prediction        C. remark           D. expectations

50. A. decrease          B. reduce           C. increase          D. unite

51. A. prevention        B. conservation      C. permission        D. admittance

52. A. needs            B. ways              C. advantages       D. means

53. A. receive            B. accept            C. get             D. identify

54. A. mates            B. teachers           C. parents          D. neighbors

55. A. missing           B. staying            C. leaving         D. studying

肠结核的好发部位是

A．回肠

B．升结肠

C．回盲部

D．横结肠

E．直肠、乙状结肠

不满14周岁的人违反治安管理的，不予处罚，但情节严重的仍应处罚。( )