2. 外语
  3. 下面是一粒的生态循环图。请根据图用英文写一篇说明文。 注意：词数80～100。

下面是一粒的生态循环图。请根据图用英文写一篇说明文。 注意：词数80～100。

admin2009-05-15  24
问题 下面是一粒的生态循环图。请根据图用英文写一篇说明文。
注意：词数80～100。
选项
答案When water and the temperature is right, the bean seed begins to grow. In the first stage, a small root comes out and begins to grow downwards. In the second stage, a small shoot begins to grow upwards, gets longer and longer until it turns green. At the same time, the root continues to grow downwards. It becomes the main root and develop side roots on it. In the next stage, the shoot grows longer and develops leaves. Finally, the plant can flower and bear fruit.
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