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

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 proves that______.
选项 A、the direction of an earthquake can be detected
B、earthquakes can be controlled
C、earthquakes happen most often during the nighttime hours
D、universities study the cause of earthquakes
答案A
解析 根据文章最后一段中的“The quake had thrown it forward in the direction of the quake’s motion by a shock…”可以分析出A为正确选项。故正确的答案为A。
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