第一篇：
Wind energy is a clean fuel source. Wind energy doesn’t pollute the air like power plants that rely on burning of
fossil fuels, such as coal or natural gas. Wind turbines don’t produce atmospheric emissions that 31 health problems
like asthma or create acid rain or greenhouse gases. In addition, wind power does not use water, 32 traditional
electricity sources. Producing nuclear, coal, or gas-fired power uses water for cooling. Water is becoming a scarce
resource 33 the country. Wind power uses no water in its energy generation.
34 the benefits, wind energy also faces some challenges. For example, good wind sites are often located in
remote locations, 35 cities where the electricity is needed. Transmission lines must be built to bring the electricity
from the wind farm to the city.
【題組】33. (A)about (B) among (C) all over (D) above
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