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共用题干 Save Energy At HomeOn the average,

admin2022-08-02  10
问题 共用题干Save Energy At Home

On the average,Americans waste as much energy as two-thirds of the world's
population consumes.That's largely the_________(1)of driving inefficient cars,using
inefficient appliances（设备）,and living and working in poorly insulated（隔热）buildings.
Then what can you do to_________(2)the situation?
Buy energy-efficient  products一Buy new appliances or electronics of the highest
energy-efficiency rating.New energy-efficient models may cost more initially,but have a
lower operating ___________(3)over their lifetimes.The most energy-efficient models
___________(4)the Energy Star label,which identifies products___________(5)use
20 -40 percent less energy than standard new products. According to the EPA（美国环境
保护署）,the typical American household can save about $400 per year in___________(6)bills with products that carry the Energy Star.
Switch to compact fluorescent bulbs（荧光灯）一Change the three bulbs you use
___________(7)in your house to compact fluorescents.Each compact fluorescent bulb
will keep half a ton of CO<sub>2</sub> out of the air___________(8)its lifetime.___________(9),
compact fluorescent bulbs last ten times as long and can save $30 per year in electricity
costs.
Set heating and cooling temperatures correctly一Check thermostats（温度自动调节
器）in your home to make sure they are___________(10)at a level that doesn't waste
energy.
Turn off the lights一Turn off lights and other electrical appliances such as televisions
and radios when you're not___________(11)them.Install automatic timers for lights that
people in your house frequently___________(12)to turn them off when leaving a room.
Let the sun shine in一The cheapest and most energy-efficient light and heat source is
often right outside your window. On___________(13) days, open blinds（百叶窗）to let
the sun light your home for free.Also remember that___________(14)entering a room
equals passive solar heating.Even on cold winter days,sun streaming into a room can
raise the temperature by several___________(15)._________(8)A:about B:with C:on D:over
选项 _________(8)
A:about
B:with
C:on
D:over
答案 D
解析
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