“运输建设要避开岩溶、冻土、矿石区域、滑坡带等”，这就是运输布局要考虑的()。
A.水文条件
B.地质因素
C.气候因素
D.地形因素
参考答案：B
Which of the following statements is true about his friend
A．Writing exhausts his friend.
B．His friend collects a lot of things to write.
C．His friend always has enough material to write on.
D．His friend is doing research to write a paper.
Frame默认的布局管理器是 【8】 。
