问题
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What are the speakers mainly discussing?A.An experiment in Antarctica.B.Part of the Larsen
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What are speakers mainly discussing?A.The effect of the atmosphere on rainfall.B.How condi
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What is the speaker mainly talking about?A.The problem of global warming.B.The difficulty
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What is me speaker mainly talking about?A.Three groups of learners.B.The importance of bus
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What are the speakers mainly discussing?A.Causes of illness.B.The discovery of antibiotics
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What is the speakers mainly discussing?A.The importance of anthropology to modem society.B