对较深厚的松散砂土地基有哪几种方法进行处理较经济？
参考答案：砂桩、表层压实法、振冲挤密法
Today when I think of my friend, I remember the way her face _____ when she saw the picture of a lovely cat. [ ]
A. cheered up
B. shone up
C. stood up
D. lit up
馈线和电源线进入机房是要做滴水弯，滴水弯的最低点要求低于馈线窗下沿（）。
A.5-15cm
B.10-20cm
C.15-25cm
D.20-30cm
