论文部分内容阅读
生命是人类知识范围内最富有魅力的现象,自古至今人类都在不断探索生命的奥秘,并从中得到无穷的乐趣。不仅人类的生命现象奥妙无穷,植物世界里也有很多有趣的现象。花花草草不仅可以美化环境,还可以除尘降噪,而且还能维持大气中氧气和二氧化碳的平衡。因此我们很多人都喜欢养一些花花草草。不过你有没有仔细观察过你养的花草呢?如果你有很长时间不移动你的花草,它的长势有什么变化吗?观察结果是:放在窗台
Life is the most charismatic phenomenon within the scope of human knowledge. Since ancient times, mankind has constantly explored the mysteries of life and enjoyed endless fun. Not only are the phenomena of human life mysterious, there are many interesting phenomena in the plant world. Flowers and plants not only beautify the environment, but also dust and noise reduction, but also to maintain the atmosphere of oxygen and carbon dioxide balance. Therefore, many of us like to keep some flowers and plants. But have you ever observed your flowers? If you have not moved your flowers for a long time, what is its change? The observation is: on the window sill