全新版大学进阶英语视听说教程第1册 Unit 5 Eco-Friendly Home

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This is the Cohens' home.

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It's a three-bedroom house in a suburb in the United States.

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It's a nice area, but there is a problem with this house:

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it uses a lot of energy.

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But this isn't surprising.

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Houses and buildings use 40 percent

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of all the energy in the United States.

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And many homes waste a lot of energy.

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Amory Lovins teaches people to save energy in their homes.

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Today, he is visiting the Cohens' house.

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Lovins walks around the house, and he finds different problems.

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There's a problem with the heater in one room...

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and the freezer in the kitchen.

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Oh, what have we here?

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We don't have to use a lot of electricity

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in our homes, says Lovins.

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There are simple ways to save energy.

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It's surprising; homes waste a lot of energy,

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even while you sleep.

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To save energy in your home,

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unplug electronics when you're not using them.

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Do you see that little red light down in the corner?

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Now, the TV is off,

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but it's still using energy because it's plugged in.

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The Cohens pay $60 every year for this extra energy.

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The Cohen family has lots of electronics.

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They're all plugged in.

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So they're always using energy.

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Lovins lives in Aspen, Colorado, in the mountains.

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His house is very eco-friendly.

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All of the home's electricity comes from solar panels.

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Some days, it's below -40 degrees Celsius here.

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But Lovins' house is warm...

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...thanks to the solar panels.

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In fact, Lovins' whole house uses very little energy:

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only 120 watts.

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That's a little more energy than you need

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to turn on one light bulb.

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It's a very eco-friendly home.

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  • 时长:3.0分钟
  • 来源:外教社 2017-07-27