我方在接到国外来样后,提供“对等样品”供买方确认。这样,就把来样成交,转变为()
A.凭买方样品成交
B.凭卖方样品成交
C.凭对等样品成交
D.看货买卖
参考答案:B
直接盖髓术不正确的叙述是()。
A.隔离口水,消毒牙面
B.用生理盐水冲洗窝洞
C.穿髓孔直径大于0.5mm
D.盖髓剂放在穿髓孔上方
E.盖髓后用氧化锌丁香油糊剂暂封
_______ , athletes from all over the world compete _______ the Olympic Games _______ the honor of winning.
A.Every fourth year; in; for
B.Every four year; in; for
C.Every fourth years; against; in
D.Every four years; for; in