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【单选题】

Small fish will____ the screens in the turbine engines of the Underwater Electric Kite Company of Maryland.

A.
be turned away from
B.
safely pass through
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参考答案:
参考解析:
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【简答题】Causes Effects 1. Concerns over global warming are increasing. 2. Engineers can capture free-flowing river energy. 3. Advocates believe in tidal power. 4. Water is more than 800 times denser t...

A.
Not all equipment is appropriate everywhere.
B.
Scientists are looking for alternative sources of energy.
C.
Protective screens need to be added to turbines.
D.
A commission has been established to study tidal power.
E.
Tidal power might be a good source of renewable energy.
F.
Energy from the tides will not be able to supply a large region.
G.
Few companies are interested in investing in tidal power in the US.
H.
Water is very powerful.

【单选题】Engineers want to harness the energy from the ocean.

A.
attach a horse to a carriage with a device made of leather
B.
control and use the force of something to produce power
C.
use straps to hold something in place

【单选题】The strong current from the ocean brings warm water from other areas.

A.
flow of electricity
B.
of the present time
C.
continuous flow of air or water

【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