单项选择题 ______ our recent exchange of telegrams, we confirm having purchased from you 1000 long tons ( tons of 22401 bs) of the captioned goods on the following terms and conditions. A．Resulting in B．Resulting from C．As a result of D．As a result

未知题型 拦砂坝按建筑材料分为______等几类。 A．砌石坝 B．混合坝 C．铅丝石笼坝 D．钢索坝

未知题型 报表系统中，报表的单元类型包括（ ）。 A.数值单元B.表样单元C.字符单元###SXB#