按照贸易背景不同进口押汇可分为预付货款项下进口押汇、货到付款项下进口押汇和服务贸易项下进口押汇。
参考答案:对
根据家谱图将适当的单词填入各句空白处
Tom's Family Tree
(汤姆的家谱)
1. There are ____ people in Tom's family.
2. Harry King is Tom's_____________.
3. Jeff and Joy are Tom's_______________.
4. Their family name is_____________.
5. Jack is Tom's____________.
6. This is Rose. She is Tom's______________.
简述唐律《擅兴律》的主要内容。