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一看这个题目,说不定会有人怀疑笔者的神经是否出了毛病:大千世界,万种生灵,不管是人类,还是其他动物,有哪一个离得开空气!竟然冒出这么一个题目,简直是岂有此理!但是,请君稍安勿躁.请问:当您耕耘在田野,或者工作在车间,或在机关办公,或在课堂读书,或忙碌于市场,或陶醉于舞厅……总之,在正常情况下,您会随时随地都想到空气对于您有什么用吗?事实上,只有当呼吸感到困难、生命受到缺氧的威胁(例如堵在矿井中,或处在空气严重污染的环境里)时,人们才会念起空气的好处,除此之外,尽管无人不时时胸膛起伏,呼吸有声,其实对空气的存在,是很容易忽略的.
A look at this topic, maybe some people may wonder whether the author’s nerves are wrong: the world, thousands of creatures, whether it is human beings, or other animals, which one off the air! Even emerge such a topic, it is simply Excuse me, when you work hard in the field, work in the workshop, work in the office, study in the classroom, be busy with the market, or revel in the ballroom ... In short, under normal circumstances Anytime, anywhere, you’ll think about what’s the use of air for? In fact, only when breathing is hard and your life is threatened by lack of oxygen, such as in a mine or in a heavily air-polluted environment, People will read the benefits of air, in addition, although no one from time to time chest ups and downs, breathing sound, in fact, the existence of air, it is easy to ignore.