共用题干 Save Energy At HomeOn 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 CO2 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). _________(1)
A.power B.result C.way D.work正确答案B
