Week One阅读下面短文,从每题所给的A、B、C、D四个选项中选出最佳选项。At the start of the 20th century an American engineer named John Elfreth Watkins made predictions about life today.His predictions about slowing population growth,mobile phones and increasing height Were close to the mark1.But he was wrong in one prediction:that everybody would walk 10 miles a day.
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