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山区某中学吸烟情况调查东至县卫生防疫站（２４７２００）章善荣东至县地处山区，吸烟陋习成风，学生中吸烟者也不少，他们是如何认识吸烟，有哪些心理因素，我们选择了本地山区的一所中学进行了一次调查。１调查方法１．１对象山区的一所较有代表性中学。该校初、高中共...
Investigation of Smoking in a Middle School in Mountainous Area Dongshan County Health and Epidemic Prevention Station (247200) Zhang Shanrong Dongzhi County is located in the mountainous area. There are a lot of smokers in the area. There are many smokers among them. How do they know about smoking and what are the psychological factors? A middle school in the mountain conducted a survey. A survey method 1.1 target a mountainous area of a more representative high school. The school early, high school ...