试题与答案

岩土给水度是指岩土在重力作用下能自由排出的水的体积占岩土总体积(包括所含水)的百

题型:选择题

题目:

岩土给水度是指岩土在重力作用下能自由排出的水的体积占岩土总体积(包括所含水)的百分比,岩土持水度是指岩土中经重力排水后所含水的体积占岩土总体积(包括所含水)的百分比,读“孔隙度、给水度、持水度的关系图”,回答下列各题。

小题1:孔隙度、给水度、持水度三者关系为(   )

A.前者大于后两者之和

B.前者等于后两者之和

C.前者小于后两者之和

D.三者没有直接关系小题2:从图中可以得出(   )

A.岩土颗粒越大,孔隙度越大

B.岩土颗粒越大,给水度越大

C.岩土颗粒越大,给水度越小

D.岩土颗粒越大,持水度越小小题3:降水量和强度以及植被状况相同的情况下,潜水最丰富的土壤类型是(   )

A.细沙质土壤

B.中砂质土壤

C.粗砂质土壤

D.细砾质土壤

答案:

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参考答案:D解析:国家承担国际责任必须具备两个条件:(1)引起国家责任的行为必须根据国际法能够归因于国家,或说该行为是国际法上的国家行为;(2)该行为是违背国际法义务的行为。在一国领土上的被承认为叛乱运动...

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