问题
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What is the main purpose of the lecture?A.To discuss recent innovations in laboratory equi
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What is the speakers mainly discussing?A.The importance of anthropology to modem society.B
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What does the passage mainly discuss?A.Applicatio
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What do the students mainly discuss?A.A physics e
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What does the passage mainly discuss?A.Trends in
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What does the text mainly discuss?A.The roots of