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【简答题】
听下面一段材料，回答第1-2题。 1. Why is the woman worried? A. She doesn't know what to read. B. She hasn't finished her task. C. She has no time to write her book. 2. What do we know about the man? A. He has been to Europe with the woman. B. He has forgotten to write his reports. C. He has finished reading all the books.
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皮皮学刷刷变学霸
举一反三
【简答题】白色角化病是由长期的________或________ 所造成的口腔粘膜局部白色角化斑块或斑片。
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