问题
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According to the passage , distance learning is ba
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Which of the following are NOT the first people to receive the swine flu vaccinations?A.Ba
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According the interviewee, which is an obstacle of the research?A.People with different ba
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According to the UN spokesman, the report would be .A.published in full and without amendm
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The dentist has decided to extract her ba
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The dentist has decided to extract her ba
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