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【单选题】
粒径大于0.25mm的颗粒含量超过总质量50%的土属于( )。A.
细砂
B.
中砂
C.
粗砂
D.
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【单选题】听力原文：M: Hi, Anna! Welcome back! How was your trip to the States? W: Very busy. I had a lot of meetings, so, of course, I didn't have much time to see New York. M: What a pity! Actually, I have a trip ...
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To go sightseeing.
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To have meetings.
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D.
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