Likewise, when the 40 m.p.h. speed limit was on a number of roads in London in the late fifties, there was a 28 percent reduction in serious accidents. ( 章节：1 难度：2)
- A、proposed
- B、imposed
- C、supposed
- D、composed
正确答案:B
答案解析:有
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Likewise, when the 40 m.p.h. speed limit was on a number of roads in London in the late fifties, there was a 28 percent reduction in serious accidents. ( 章节：1 难度：2)
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