单项选择题

The oscillating water column produces power from ______.

A．the turbine that powers the generator
B．the generator that produces electricity
C．the cylinders that drives the turbine
D．the air that escapes from the turbine

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热门试题

单项选择题The development of oceanic water power is important to America because ______.

A．there is a severe shortage of coal and petroleum
B．it is the cheapest method of producing energy
C．petroleum supplies are being steadily drained
D．obtaining energy from ocean water are simpler

单项选择题In the matter of developing energy from ocean water, Britain is ______.

A．working on an old Japanese method
B．the most advanced country in the field
C．following the lead of the United states
D．consolidating their work with operations