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【单选题】
下列关于土的物理性质三相比例指标说法正确的是( )A.
土的孔隙比始终不会大于 1
B.
土的含水量是指土中水的质量与总质量的比值
C.
土的天然含水量、孔隙比是可以直接测定的基本指标
D.
土的孔隙率是土中孔隙的体积占总体积的百分比
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举一反三
【单选题】He likes music very much and I often see him _________ music. [ ]
A.
hear to
B.
listen to
C.
to hear
D.
to listen
【单选题】What does the man mean?
A.
He doesn't like music.
B.
He likes music very much.
C.
He likes nothing.
【简答题】听短文，填词，听两遍。 John is a middle school student. He likes music very much. He knows a lot about country music, 1 music and pop music. Of course he sings pretty well. His favorite 2 is Jay Zhou. He thinks ...
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