题目内容：
要评价一个致病因子的公共卫生学意义，宜选用
参考答案：
答案解析：
单选题：要评价一个致病因子的公共卫生学意义，宜选用
- 题目分类：公卫助理医师
- 题目类型：单选题
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欲调查某地结核菌素携带情况，可采用
欲调查某地结核菌素携带情况，可采用
How many hours is Moscow ahead of London during the summer?
How many hours is Moscow ahead of London during the summer?
Mr Wang needs to take sample products for inspection.
Mr Wang needs to take sample products for inspection.
The basic customs laws or regulations applicable to the arri
The basic customs laws or regulations applicable to the arrival and departure of
请回答第10题：（ ）
请回答第10题：（ ）