2015年职称英语考试理工类完形填空练习(2)

　　Save Energy at Home

　　On the average，Americans waste as much energy as twothirds of the worlds population consumes Thats largely the of driving inefficient Cars，using inefficient appliances，and 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 initially，but have a lowerOperating over their lifetimes The most energyefficient modelsthe Energy Star label，which identifies products use 20-40 percent less energy than standard new products According to the EPA，the 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 days，open blindsto let the sun light your home for free.Also remember that entering a room equals passive solar heating.Even on cold winter days，sun streaming into a room can raise the temperature by several .

　　51 A power

　　B result

　　C way

　　D work

　　S2 A improve

　　B create

　　C face

　　D explain

　　53 A speed

　　B system

　　C cost

　　D profit

　　54 A carry

　　B bring

　　C take

　　D give

　　55 A where

　　B while

　　C that

　　D since

　　56 A phone

　　B water

　　C food

　　D energy

　　57 A less

　　B most

　　C rarely

　　D seldom

　　58 A about

　　B with

　　C on

　　D over

　　59 A Moreover

　　B However

　　C Therefore

　　D so

　　60 A correct

　　B turned

　　C set

　　D reduced

　　6l A covering

　　B using

　　C repairing

　　D leaving

　　62 A want

　　B have

　　C try

　　D forget

　　63 A bright

　　B rainy

　　C foggy

　　D dark

　　64 A air

　　B rain

　　C wind

　　D sunlight

　　65 A 1ayers

　　B levels

　　C degrees

　　D points

　　参考答案

　　51 B 文章第一句提到美国消耗能源全球最多，第二旬提到的是造成这种结果的根源。根据意思应填result。

　　52A 此旬的意思是，我们如何改变这种情况。从上下文意思判断，应该选用improve。

　　53 C 从意思上来讲，operating cost搭配在这里最合适。

　　54A 节能的产品贴有能源之星，这里要用动词carry表示带有，贴有。

　　55c 这里引导的是限定性定语从句，故用关系代词that。

　　56 D energy bill指消耗电、汽等能源的账单。其他几个选项的意思与上下文不符。

　　57 B 根据上下文这里指使用最多的是灯泡，因为长时间使用这样的灯泡耗电量大，所以要把这些灯泡换成节能型。

　　58 D 这里要用介词0ver，表示跨越很长时间。

　　59 A 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。

　　60 c set的意思是设定，其他几个词意思与文章不符。

　　61 B 此句的意思是当你使用电视、收音机等设备时要关掉它们，故选using。

　　62 D 此处的意思是离开房间时忘了关闭它们，故选forget。

　　63 A 此旬的意思是，天气晴朗的时候，要打开百叶窗，让阳光进来。从上下文判断，只能选A。

　　64 D 此处只有填sunlight意思才讲得通，所以D为答案。

　　65 C 此处的意思是温度升高几度，度数要用degree来表示，故c答案