2. 外语
  3. During the oil crisis of the 1970s, many states ______ speed limits to reduce gasoline use.

During the oil crisis of the 1970s, many states ______ speed limits to reduce gasoline use.

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问题 During the oil crisis of the 1970s, many states ______ speed limits to reduce gasoline use.
选项 A、implanted
B、imposed
C、impaired
D、impressed
答案B
解析
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