《清明上河图》展现北宋（）风貌的风俗画。
参考答案：汴梁
— I only heard of John,but I never met him.What is he like?
— ______________.
A．He is from America.
B．He speaks English well.
C．He is kind and strong.
D．He is my best friend.
The importers had agreed to documents against ______, so the exporters drew a sight draft on them.
A．payment
B．remittance
C．letter of credit
D．acceptance
