2022年英语专四听力dictation练习(22)

2021-11-26 17:38:00来源:网络

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  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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