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【单选题】
When there is a free flow of fast-moving water, the energy from a river could provide electricity for many homes.
A.
not paid for
B.
not controlled
C.
not being used
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】____companies hold federal permits to research tidal power in the Piscataqua River.
A.
Two
B.
Four
【单选题】The secretary of the environment has the power to limit the use of fossil fuels.
A.
strength or energy
B.
right or authority of a person or group to do something
C.
public supply of electricity
【单选题】Legislators passed a bill that provided funds for research into renewable energy.
A.
a plan for a new law
B.
a statement of how much money is owed
C.
the hard part of a bird’s mouth
【单选题】New Hampshire residents hope that wind energy will provide energy for at least 20 percent of the homes in their state.
A.
mental, emotional, or physical condition that a person or thing is in
B.
to formally write or say something, especially in a careful or clear way
C.
a part of the country with its own governmental/political organization
【单选题】The factories along that stretch of the river use coal.
A.
to pull to become longer
B.
an area of land or water
C.
to extend one’s arms and legs
【单选题】Marine animals such as stripers and lobster are present in the cold waters of the New Hampshire seacoast.
A.
a gift
B.
to introduce formally
C.
in a particular place
【单选题】The local commission on energy conservation found the number of residents using green energy in their homes is on the rise.
A.
an official group of people with the responsibility to control or find out about something
B.
an amount of money paid to someone for selling goods or services, which increases with the amount sold
C.
a piece of work that someone has been asked to do
【单选题】Some critics of tidal and wind energy argue that the power generation is intermittent and unreliable.
A.
the next stage of development
B.
the production of something
C.
all the people born around the same time
【单选题】The engine will have an open center that will allow animals to swim through.
A.
building or place used for a particular purpose or activity
B.
middle area of an object
C.
moderate political position between two extremes