单项选择题In August 2014, the Standing Committee of the National People’s Congress had approved thirty laws about environmental protection and resources conservation, include ( ) energy laws, and ( ) pollution prevention and treatment laws?
多项选择题某基础底面为矩形:l×b=3m×2m,基础埋深d=1m,地下水位位于基底处,上部结构传来荷载F=600kN,基础及基础台阶上土的平均重度为20kN m3,基底埋深范围土层土的平均重度为16kN m3,基底以下10m范围内土层(饱和)的重度为20kN m3。则下列正确的是:A.基底平均接触压力为100kPaB.基底附加压力为104kPaC.地表下1m处土自重应力为20kN m3D.地表下2m处土自重应力为26kN m3