单选题
公共英语五级
2011-09-02
根据听到的内容,回答题。What is the main, topic of this talk?
A.Bicycles and car
B.Building code
C.Energy conservatio
D.New housing constructio
参考答案
C
答案解析
For the past few weeks we've been discussing national energy conservation alternatives for the future. Today I'm going to talk about
what one community is presently doing to conserve energy. The people of Davis, California have succeeded in cutting their energy
consumption by one third since1973. The first energy saving action that was taken in the early 70's was the Legislation of Brick
Building Codes. All new houses in Davis must have the proper heat insulation so that heat will not escape unnecessarily during
the winter. New houses mus
what one community is presently doing to conserve energy. The people of Davis, California have succeeded in cutting their energy
consumption by one third since1973. The first energy saving action that was taken in the early 70's was the Legislation of Brick
Building Codes. All new houses in Davis must have the proper heat insulation so that heat will not escape unnecessarily during
the winter. New houses mus
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