问题
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According to the study, the daily healthy sleep time for the 3rd to 6th graders should be
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According to the study, the temperature by the 2050s would result in the following EXCEPTA
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According to the passage, when are children first expected to study hard?A.Before 6 years
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The methods of spectrum analysis vary according to the wavelength region were studied.
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According to the researchers behind the study, all of the following will happen EXCEPTA.a
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According to the study the college students who w