问题
单项选择题
土的孔隙比是指土中孔隙体积与土粒体积之比，反映天然土层的密实程度，一般孔隙比小于( )的土是密实的低压缩性土。
A．0.6
B．0.7
C．0.8
D．0.9
答案
参考答案：A
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土的孔隙比是指土中孔隙体积与土粒体积之比，反映天然土层的密实程度，一般孔隙比小于( )的土是密实的低压缩性土。
A．0.6
B．0.7
C．0.8
D．0.9
参考答案：A
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| Peter, David, Diana and Bonnie are four good friends. They are in the same class. But they like different (1)___________. Peter (2)___________ tomatoes, but (3)___________ doesn't. Peter and Diana don't like (4)___________. David and Diana like (5)___________, but Bonnie (6)___________. (7)___________ and (8)___________ like strawberries. But sometimes they have the same taste. All of them like (9)___________. Neither of them like (10)___________. |