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[职称英语完形填空] 2015年职称英语理工类B级完形填空模拟练习(2)

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  Save Energy at Home

  On the averageAmericans waste as much energy as twothirds of the worlds population consumes Thats largely the of driving inefficient Carsusing inefficient appliancesand living and working in poorly insulatedbuildings.Then what canyou do to the situation?

  Buy energy-efficient productsBuy new appliances or electronics of the highest energyefficiency rating.New energy-efficient models may cost more initiallybut have a lowerOperating over their lifetimes The most energyefficient modelsthe Energy Star labelwhich identifies products use 20-40 percent less energy than standard new products According to the EPAthe typical American household Can save about$400 per year in bills with products that carry the Energy StarSwitch to compact fluorescent bulbs-Change the three bulbs you use in your house to compact fluorescents Each compact fluorescent bulb willkeep half a ton of CO2 out of the air its 1ifetime. ,compactfluorescent bulbs last ten times as long and Can save$30 per year in electricity costs.

  Set heating and cooling temperatures correctlyCheck thermostatsin your home to make sure they areat a level that doesnt waste energy

  Turn off the lights Turn off lights and other electrical appliances such as televisions and radios when youre notthem.Install automatic timers for lights that people in your house frequently to turn them off when leaving a room.Let the sun shine inThe cheapest and most energy--efficient light and heat source isoften right outside your window.On daysopen blindsto let the sun light your home for free.Also remember that entering a room equals passive solar heating.Even on cold winter dayssun streaming into a room can raise the temperature by several .

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