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【简答题】

For a while, the latest ( ) was green, and now it's sustainability.

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【简答题】One online company is giving a $2,500 ( ) to anyone who can find new ways to use old tires.
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【简答题】That article is full of ( ) new inventions, like the solar-powered necktie fan that is supposed to keep businessmen cool on hot days.
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【简答题】Our group loves the idea of co-housing, developing a shared community on farmland, but the costs of building the basic ( ) are too much for us.
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【单选题】The gasification process uses ____ to reach high temperatures.
A.
garbage
B.
plasma
C.
syngas
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【单选题】The program regularly discusses ____.
A.
garbage
B.
good environmental practices
C.
local news
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【单选题】Two cities that have been involved with landfill gasification projects are____.
A.
Houston and Washington
B.
Richland and Washington
C.
Houston and Richland
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【单选题】One facility using gasification is providing over ____ homes in Seattle with electricity.
A.
500
B.
5,000
C.
500 million
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【单选题】____wells is required to get the gas that is emitted from garbage in landfills.
A.
Draining
B.
Digging
C.
Removing
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【单选题】Critics of the gasification process believe that____.
A.
we should focus on recycling
B.
gasification has great potential
C.
gasification is bad for the environment
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【单选题】It's____ to use hazardous and medical waste for gasification.
A.
possible
B.
dangerous
C.
unsustainable
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