问题
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The author and other three people conducted an experiment, trying to live without their mo
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How do the researchers conduct the study? 查看材料A.By
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Our experiment was conducted under optimal condition. The underlined part means ______.(20
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Compared with the first annul poll conducted by the National Sleep Foundation, 2005 saw a_
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Our experiment was conducted under optimal conditions. The underlined part means ______A.p
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Dr. Wrangham conducted the experiment on rats which did not rely on cooking because______.