In the morning of November 18, 1755, an earthquake shook Boston. John Winthrop, a professor at Harvard College, felt the quake a

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问题     In the morning of November 18, 1755, an earthquake shook Boston. John Winthrop, a professor at Harvard College, felt the quake and woke up. " I rose, "he wrote, "and lit a candle, looked at my watch, and found it to be 15 minutes after four. "John Winthrop went downstairs to the grandfather’s clock. It had stopped three minutes before, at 4: 11. Except for stopping the clock, the quake had only thrown a key from the table to me floor.
    The clock had stopped because Winthrop had put some long glass tubes he was using for an experiment into the case for safekeeping. The quake had shocked the tubes over and blocked the pendulum. Winthrop, therefore, had the exact time that the earthquake had hit Boston. He looked at the key on the floor. The quake had thrown it forward in the direction of the quake’s motion by a shock coming from the northwest, perhaps in Canada.
The passage suggests that______.

选项 A、earthquakes are common in Boston
B、John Winthrop was a scientist
C、John Winthrop had difficulty in sleeping
D、the city was a center for clock-making

答案B

解析 从文章第一段的第二句和第二段的第一句,可以分析出约翰是一个科学家。故正确的答案为B。
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