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【单选题】
控制苍蝇的方法是( )、及时处理残羹剩饭和食品包装物、垃圾桶盖严、经常喷洒杀虫剂、安装电子灭蝇灯，特别注意垃圾房、废物桶的卫生，定期清洁消毒。
A.
经常开启的窗户要装纱窗
B.
准备苍蝇拍
C.
室内通风
D.
经常喷洒空气清新剂
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Many Americans harbor a grossly distorted and exaggerated view of most of the risks surrounding food．Fergus Clydesdale, head of the department of food science and nutrition at the University of Massac...
A.
They overlook the risks of the food they eat.
B.
They overestimate the hazards of their food.
C.
They are overoptimistic about the safety of their food.
D.
They overstate the government's interference with the food industry.