暴发调查(outbreak survey)
暴发调查(outbreak survey)
暴发调查(outbreak survey)
第4题
为探明暴发原因,可以用到的流行病学研究方法为
A.个案调查及暴发调查
B.描述疾病的人群、时间及空间分布
C.病例对照研究及定群研究
D.个案调查、暴发调查、现况调查、病例对照研究及定群研究
E.描述流行病学,分析流行病学、实验流行病学和理论流行病学
第5题
Because of the outbreak of SARS, the airport______ .
A.reduced its service to some regions
B.reduced its service to all regions
C.reduced its Service to some areas while adding to some other regions
D.canceled all its services to Southeast Asian countries
第7题
This passage is probably______.
A.an application form. for an online learner
B.a survey report about online learning
C.an analysis test on the characteristics required by online learning
D.an advertisement of the online course at an American university
第8题
You are to write in 100-120 words about the title"A Survey on Choice of Courses and Universities". You should base your composition on the information given in Chinese below: 下面是一份关于中国高中毕业生选择高考志愿的信息调查表。请你根据该表用英语写一篇100-120单词左右的简要报道,介绍说明表中所反映的情况。
第9题
Sometimes a researcher cannot get valid results because ______.
A.the information needed is too complex to be gathered
B.personal interviewing is the most accurate of all survey research techniques
C.personal interviewing is not as effective as other research techniques
D.both interviewer and interviewee may make mistakes during the interviewing
第10题