就进口商承担的风险而言，国际结算中的“D/A”要比“D/P”大。( )
参考答案：错
69. With the guide leading the way, the visitors were able to travel through the forest not by air but _____ foot.
A．by
B．on
C．in
D．with
实木地板按表面加工的深度可分为（）。
A.漆板
B.素板
C.花板
D.强化板
