在货物的交接方面,国内贸易通常采用( )等。
A.进厂交货价
B.出厂交货价
C.合同预算交货价
D.指定目的地车板交货价
E.现场交货价
参考答案:B,D,E
This problem is said _______ three times, but he still can’t understand it.
A.to have been explaining
B.to have explained
C.having been explained
D.to have been explained
按所用材料不同,楼板可分为现浇钢筋混凝土楼板和预制钢筋混凝土楼板、砖拱楼板和木楼板等,使用最多的是前三种。( )