夏天来了,跟着夏天一起来的不仅有赏心悦目的柳绿花红,还有令人讨厌的苍蝇和蚊子等害虫。苍蝇固然讨厌,但它们不会给人直接带来痛痒之苦,所以相比之下,蚊子较之苍蝇的讨厌要更胜一筹。而且,苍蝇的活动规律是昼出夜伏,与人类的作息时间一致,蚊子则 Summer is coming, along with the summer is not only pleasing to the Liu Fuhong, as well as annoying flies and mosquitoes and other pests. Flies, of course, hate, but they do not give the direct cause of pain, so in contrast, mosquitoes flies better than the nasty. Moreover, the law of flies is day-night volt, with the rest of human life time, mosquito is