问题
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According to the professor, what is the main problem with the drive theory?A.It could not
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Which of the following statements is TRUE according to the passage?A.The problem of wildli
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According to the passage, what is the problem with lignin?A.It is difficult to obtain.B.Pa
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According to the passage, what problem does the recent research find?A.Sleep shortage has
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According to the passage, the film "Insiders" is mainly about all of the following EXCEPTA
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Who caused this problem according to the passage?A.The motor cycles.B.The growing industri