班组在进行经济活动分析之前（）。
参考答案：确定题目
－Math is difficult for me. How I wish to improve it!
－Don’t lose your confidence. I believe you will ______ it if you keep trying.
A．take
B．work
C．pick
D．make
为防白蚁损害，直埋光缆在敷设时应如何处理？
