高层建筑基础的埋置深度应满足地基（）。
A.承载力
B.耐久性
C.变形
D.稳定性
参考答案：A, C, D
58. Though his classmates are all ahead of him, he is studying very hard to _____ them.
A．catch up
B．catch up with
C．catch hold of
D．catch sight of
市场法适用的对象、条件和步骤
