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2023年职称英语理工类B级完形填空模拟练习

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  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

  

  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

  

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