疾病分布是指（）。
A.民族分布，性别分布，职业分布
B.时间分布，地区分布，人群分布
C.城乡分布，年龄分布，民族分布
D.民族分布，年龄分布，职业分布
E.年龄分布，城乡分布，季节分布
参考答案：B
解析：疾病分布即三间分布，指时间、地点和人群的分布。时间分布包括暴发、季节性、周期性、长期变异。地点分布包括国家问、国内省问、城市间、城乡间等。人群分布包括性别、年龄、职业、民族、社会阶层等。
阅读下面短文, 从短文后所给各题的四个选项(A、B、C和D)中，选出可以填入空白处的最佳选项。 I’ll never forget my first job interview. It was a 36 position at an elementary school in my hometown. I was very 37 and worried, but I thought I had an “in” 38 I knew many people in this district. I felt 39 that the interview would be a piece of cake. I had 40 well for my interview; I had been 41 interview questions in front of my mirror for days. I wore my navy blue suit and took my 42 of lessons I had taught during student teaching. There was 43 I would not face this interview. After arriving at the school about half an hour early, I waited 44 in the office. The secretary told me not to be nervous.“ Just 45 ,”he advised. When the time for my interview 46 came, I was so nervous that I didn’t think I could 47 any questions. Inside the interview room, 48 people sat at a round table: two teachers, two principals(校长),and a member of the school board .I had been 49 there would only be three people at the interview, and was overwhelmed(不知所措的)by the presence of 50 interviewers. Once the interviewers started asking questions, 51 ,I answered with ease. Everyone smiled and we even 52 .After they finished asking questions, the 53 told me they would call me in two weeks. Two years later ,I ‘m still waiting for the 54 ! I eventually found out that it was my lack of 55 that kept me from getting the job offer.
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