2. 外语
  3. A、Fuel-efficient cars. B、Air pollution caused by cars. C、History of Automobile developments. D、Electric-powered cars. D

A、Fuel-efficient cars. B、Air pollution caused by cars. C、History of Automobile developments. D、Electric-powered cars. D

admin2010-06-11  53
问题  
选项 A、Fuel-efficient cars.
B、Air pollution caused by cars.
C、History of Automobile developments.
D、Electric-powered cars.
答案D
解析
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