矿井充水性图一般采用（）作底图进行绘制。
A、矿井综合水文地质图
B、采掘工程平面图
C、矿井地形地质图
D、井上下对照图
参考答案：B
—What would you do if you lived in Haiti when the earthquake happened?
—_________. [ ]
A. I would try my best to save others if I were alive
B. I will help others
C. I had to leave there
基金拆分主要包括（）。
A.收益权拆分和分配权拆分
B.份额拆分和收益权拆分
C.份额拆分和分配权拆分
D.收益权拆分和风险拆分
