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乐加乐《中学生百科英语》分享活动【第一期】(12)

来源:e度论坛 文章作者:乐加乐英语 2011-11-08 19:16:30

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摘要:在历次的初中英语讲座、家长会中,针对新初一同学的实际情况,我们向大家推荐了《中学生百科英语》一套四册英语课外读物。应广大同学和家长的要求,从今天开始,每周一至周四,我们都会在论坛发布一篇取材于《中学

  在历次的初中英语讲座、家长会中,针对新初一同学的实际情况,我们向大家推荐了《中学生百科英语》一套四册英语课外读物。应广大同学和家长的要求,从今天开始,每周一至周四,我们都会在论坛发布一篇取材于《中学生百科英语》的文章,并配有一定的词汇、句型解析,在扩充英文阅读量的同时,让同学们上知天文下知地理,在愉快的阅读当中拓展知识面,在潜移默化中提高自己的阅读水平和英文词汇量。

  第一期分享活动预计持续3个月,内容涉及动物、植物、音乐、探险、发明等领域的百科知识题材。每日一篇,带你走进一个个神奇的世界!

  在线试听点击播放):

 

  听力下载(点击名称或右键另存为):12.mp3

  12. The Water Hyacinth

  The water hyacinth grows in tropical countries. It has beautiful purple-blue flowers, but everybody hates it. Why?

  Millions and millions of these plants grow in rivers and lakes. Sometimes the plants become so thick that people can walk on them. People cannot travel in boats on the water, and they cannot fish in it. The plants stop the water from moving. Then the water carries diseases. Farmers cannot use the water on their land.

  Now scientists think that water hyacinths can be useful. The plants are really a free crop. No one has to take care of them. They just grow and grow and grow. What can farmers use them for?

  Some fish like to eat them. Farmers can grow these fish in the lakes and rivers.

  Workers can collect and cut the plants with machines. Then they can also make fertilizer to make their crops grow better. They can also make feed for their farm animals.

  Maybe it will be possible to make methane gas for energy. (We burn gas from petroleum for energy. Methane gas can be made from plants.) Then poor tropical countries will not have to buy so much expensive petroleum. Maybe in the future people will love the water hyacinth instead of hating it.

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  crop: Crops are plants such as wheat and potatoes that are grown in large quantities for food. n.庄稼

  water hyacinth: 水葫芦

  fertilizer: Fertilizer is a substance such as solid animal waste or a chemical mixture that you spread on the ground in order to make plants grow more successfully. n. 肥料

  methane gas: 沼气

  petroleum: Petroleum is oil which is found under the surface of the earth or under the sea bed. n. 石油

  stop sb./sth. from doing: 阻止做某事

  be made from: 由……制成

  instead of: 而不是

  Then the water carries diseases.

  之后水中就会携带疾病。

  Then poor tropical countries will not have to buy so much expensive petroleum.

  然后贫穷的热带国家将会不必购买那么多昂贵的石油。

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  下篇的文章主题是 Rice,欢迎关注~

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