后交叉韧带损伤
A．前抽屉试验阳性B．后抽屉试验阳性C．艾利斯征阳性D．侧方应力试验阳性E．麦氏征阳性
参考答案：B
某建筑物按地震作用效应标准组合的基础底面边缘最大压力Pmax=380kPa，地基土为中密状态的中砂，则该建筑物基础深宽修正后的地基承载力特征值fa至少应达到（），才能满足验算天然地基地震作用下的竖向承载力要求。（）
A.200kPa
B.245kPa
C.290kPa
D.325kPa
Though the road covered with snow was very smooth, the old man smilingly ____ to be helped by others across the road．
A．refused
B．declined
C．accepted
D．promised
