英语专业四级考试考前听写训练(16)

2014-01-08 16:19:40来源:网络

  新东方在线为各位考生整理英语专业四级考试考前听写训练,希望可以对考生有帮助,下面一起看详细内容。

点击下载试听文件.zip

  Flowering Plants

  What are the parts of a flower?

  Flowers can have male parts and female parts. The female parts make eggs that become seeds. The male parts make pollen. Pollen is a powdery material that is needed by the eggs to make seeds. To make seeds, pollen and eggs must come together. The wind, insects, and birds bring pollen to eggs. Many animals love flowers’ bright colors. They also like a sugary liquid in flowers. This is called nectar. While they drink nectar, pollen rubs off on their bodies. As they move, some of this pollen gets delivered to the female flower parts.

  Over time, the female parts turn into fruits that contain seeds. Animals often eat the fruits and the seeds pass through their bodies as waste. The animals do not know they are working for the plants by planting seeds as they travel to different places. (147 words)

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