合格议付(贴现)项下,受益人可以与我行签订(),无需签署()。
参考答案:《国内信用证项下议付(贴现)及卖方押汇协议》,《国内信用证项下融资授信协议》
After the class was over, the student apologized _______ the teacher ______ his coming late.
A./; because
B./; for
C.to; because
D.to; for
指出在下列色谱术语中,数值在0~1之间的是()。
A、α
B、Rf
C、κ
D、Ri