职称英语考试

【单选题】SaveEnergy at HomeOn the average，Americans waste as much energy as two—thirds of the world’s population consumes That’s largely the (51)of driving inefficientCars，using inefficient appliances(设备)，and living and working in poorly insulated(隔热)buildings．Then what canyou do to (52)the situationBuy energy-efficient products——Buy new appliances or electronics of the highest energy—efficiency rating．New energy-efficient models may cost more initially，but have a lowerOperating (53) over their lifetimes The most energy—efficient models(54)theEnergy Star label，which identifies products (55)use 20-40 percent less energy than standard new productsAccording to theEPA(美国环境保护署)，the typicalAmerican householdCan save about$400 per year in (56)bills with products that carry theEnergy StarSwitch to compact fluorescent bulbs(荧光灯)-Change the three bulbs you use (57)in your house to compact fluorescentsEach compact fluorescent bulb willkeep half a ton ofCO2 out of the air(58) its 1ifetime. (59)，compactfluorescent bulbs last ten times as long andCan save$30 per year in electricity costs． Set heating and cooling temperatures correctly—Check thermostats(温度自动调节器)in your home to make sure they are(60)at a level that doesn’t waste energy Turn off the lights Turn off lights and other electrical appliances such as televisions and radios when you’re not(61)them．Install automatic timers for lights that people in your house frequently (62) to turn them off when leaving a room．Let the sun shine in——The cheapest and most energy--efficient light and heat source isoften right outside your window．On (63)days，open blinds(百叶窗)to let the sun light your home for free．Also remember that (64)entering a room equals passive solar heating．Even on cold winter days，sun streaming into a room can raise the temperature by several (65)．
A、Moreover

B、However
C． Therefore
D． so

网考网参考答案：A
网考网解析：
从上下文来看，接下来文章进一步说明节能灯泡的好处，故用表示递进的词moreover。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>