问题
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According to the passage, one of the reasons that human migration occurred is because of__
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According to the passage, which of the following is one of the first things to occur when
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Which one is NOT true according to the passage?A.All the passengers are supposed to go thr
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According to the passage, what is one major component of Jupiter?A.Hydrogen cyanide.B.Meth
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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 is one of the chie