My conclusion (Para. 6): A home is like a backpack and I keep in my backpack _______________________.
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The backpack serves as the source of _________________________, the witness of__________________________________________________, and the record of the steps I took.
土的抗剪强度由哪两部分组成?什么是土的抗剪强度指标?
土体颗粒粒径d=0.25mm,该土体按照粒径粗细,应当属于()。
A. 巨粒土
B. 粗粒土
C. 细粒土
D. 黏土
土体根据粒径划分,属于粗粒土的粒径区间为()
A. 0.05mm-----60mm
B. 0.075mm-----60mm
C. 0.055mm-----60mm
D. 0.075mm-----70mm