共享题干题 (一) Save Energy at Home
请根据短文的内容,回答问题。
On the average, Americans waste as much energy as two-thirds of the world's population consumes. That's largely the __________ .(51) 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 __________ (52) the situation?
Buy 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 lower operating __________ (53)over their lifetimes. The most energy-efficient models __________ (54) the Energy Star label, which identifies products __________ (55) 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 __________ (56) bills with products that carry the Energy Star.
Switch to compact fluorescent bulbs (荧光灯) --change the three bulbs you use __________ .(57)in your house to compact fluorescents. Each compact fluorescent bulb will keep half a ton of CO2 out of the air __________ (58) its lifetime. __________ .(59), compact fluorescent bulbs last ten times as long and can 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 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 is often fight 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 __________ (56).
不定项选择题第1题___________
A.covering
B.using
C.repairing
D.leaving
参考答案:B
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不定项选择题第2题___________
A.speed
B.system
C.cost
D.profit
参考答案:C
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不定项选择题第3题__________
A.power
B.result
C.way
D.work
参考答案:B
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不定项选择题第4题___________
A.bright
B.rainy
C.foggy
D.dark
参考答案:A
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不定项选择题第5题___________
A.carry
B.bring
C.take
D.give
参考答案:A
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不定项选择题第6题___________
A.where
B.while
C.that
D.since
参考答案:C
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不定项选择题第7题___________
A.phone
B.water
C.food
D.energy
参考答案:D
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不定项选择题第8题___________
A.air
B.rain
C.wind
D.sunlight
参考答案:D
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不定项选择题第9题___________
A.improve
B.create
C.face
D.explain
参考答案:A
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不定项选择题第10题___________
A.want
B.have
C.try
D.forget
参考答案:D
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不定项选择题第11题___________
A.correct
B.turned
C.set
D.reduced
参考答案:C
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不定项选择题第12题___________
A.about
B.with
C.on
D.over
参考答案:D
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不定项选择题第13题___________
A.Moreover
B.However
C.Therefore
D.So
参考答案:A
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不定项选择题第14题___________
A.less
B.most
C.rarely
D.seldom
参考答案:B
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不定项选择题第15题___________
A.layers
B.levels
C.degrees
D.points
参考答案:C
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