2. 外语
  3. ______in order to save oil, the national speed limit decreased from 60 mph to 55 in the 1970s? ______that both cars and roads w

______in order to save oil, the national speed limit decreased from 60 mph to 55 in the 1970s? ______that both cars and roads w

admin2009-06-24  13
问题 ______in order to save oil, the national speed limit decreased from 60 mph to 55 in the 1970s?
______that both cars and roads were engineered to be safe to operate at much higher speeds?
选项 A、 
B、 
C、 
D、 
答案A
解析 从A中我们看到Bernhard Hoff说："Only problem was that both cars and roads were engineering to be safe to operate at much higher speeds"。
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