• 2022-06-07
    Once it was decided that to cover a mile in four minutes was physically impossible for humans.
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      What had once seemed impossible now seemed a distinct___.

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      Read Text B and choose the best answer. What is the purpose of this article A: To request humans to stop abusing animals. B: To urge humans to respect and enjoy nature. C: To show that nature is generous to humans. D: To prove that humans are powerful creatures.

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      中国大学MOOC: The doctors found nothing physically wrong with her so decided it was all ______.

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      Once he had finally decided to help the girl he seemed to have changed into another man. He ran behind the bushes and ______ the attacker off the woman. While struggling, they fell to the ground, where they ________ for a few minutes until the attacker __________________.

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      Humans have four isozymes (designated ____________) of hexokinase , encoded by four different genes. A: I B: II C: III D: IV