| What Is a Life Cycle? |
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| 引用本文： | 黄旦谷.What Is a Life Cycle?[J].中学生英语读写(高中版),2003(1). |
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| 作者姓名： | 黄旦谷 |
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| 摘 要： | A cycle is something that happens over and over again. The life cycle of any species(物种) repeats again and again. The stages of a life cycle can be drawn in a circle. It doesn蒺t matter which stage you see first. The others always follow in the same order.If you have heard crickets(蟋蟀)“singing”outdoors this year, will you find them there again next year? Where do crickets come from?Early in the fall, male(雄) crickets“sing”. This attracts the female(雌), making it easy for her to fin…
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