2016英语专四听力dictation模拟练习(22)

2016-04-13 10:43:28来源:网络

2016英语专四听力dictation模拟练习(22)

  2016英语专四改革,听力部分dictation看似简单的从15个句群变成了10个,但是句子长度变长,所以考生们在考前要多练听力同时提高自己的注意力集中时长。

  Crisis

  Life is a contest! Who will win? A bluebird and sparrow bothcompete for space to build their nests. A fast-growing mapletree and slower-growing dogwood compete for the sunlightthey both need. Oil competes with coal and nuclear power as anenergy source for electric power plants!

  There is a problem. There is a limited amount of space for birds,sunlight for trees, and energy for people! If we do not cut backon our uses of some of our resources, someday they will begone!

  How can we use energy today and know we will have enough to go around in the future? We canchoose alternate, or replacement, energy resources. It takes the earth millions of years to createcoal, oil, and gas. They are nonrenewable resources.

  Solar energy, wind energy and water energy are renewable resources. It takes the earth millions ofyears to create coal, oil, and gas. They are nonrenewable resources.

  Solar energy, wind energy and water energy are renewable. What other ways can we conserveour sources? How can we make sure there is always enough to go around?

  Useful words and expressions:

  1. bluebird 蓝知更鸟

  2. sparrow 麻雀

  3. dogwood 山茱萸

  4. power plant 发电厂,发电站

  5. alternate 替换物

  6. nonrenewable resources 不可再生资源

  7. conserve 保存,保藏

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