问题
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How do the researchers conduct the study? 查看材料A.By
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How do scientists estimate the age of language?A.By studying animals" evolution.B.By study
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How thd NASAs investigators prove the reason of thsaster?A.By studying the video tape.B.By
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According to the study, the temperature by the 2050s would result in the following EXCEPTA
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How did NASAs investigators prove the reason of disaster?A.By studying the video tape.B.By
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The studies made by Nurses Health Study and California Teacher Study are most different in