本文为科普短文,讲述世界上第一个深海风力发电机——涡轮发电机以及它的发电原理及好处。
9.The Hywind project uses totally new technology to ensure the stability of________.
A. the cables which tie the spar to the ocean floor
B. the spar which is floating in deepsea water
C. the blades driven by strong and steady sea wind
D. the stones filled in the spar below the sea surface
答案:B。细节理解题。由文章第二段特别是“these will keep the spar stable and prevent the turbine from moving up and down in the waves”可知B项正确。
10.To balance a bigger turbine high on a floating spar, a new type of turbine is to be designed with its gearbox sitting________.
A. on the sea floor
B. on the spar top
C. at sea level
D. behind the blades
答案:C。细节理解题。由文章第三段最后一句“...one whose gearbox sits at sea level rather than behind the blades.”可知C项正确。
11.Wide applications of deepwater wind power technology can________.
A. solve the technical problems of deepwater windmills
B. make financial profits by producing more turbines
C. settle the arguments about environmental problems
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