2. What did Li Bing propose to construct？

信用证条款： GSP Certificate of Origin， Form A， certifying goods of ongan in China issued by competent authorities，根据该条款， FORM A的签发机构为（ ）

What impacts did 9/11 attacks have on the contemporary international political development trend? 9/11事件对当前国际政治发展趋势有何影响？

3. Why was cutting the channel a far greater problem?

4. How did he cut the channel? And how long did he take to finish it?

5. What is Li Bing’s construction credited with?

1. Zhulong ______ ______

2. Macha ______ ______

3. Yuzui ______ ______