【单选题】听力原文:W: Good afternoon, visa officer, I would like to apply for a visa to visit my husband in the USA. He is studying at Duke University for his doctor's degree. M: Does he have any scholarship or oth...
【简答题】State A and State B merge to form new State C. As to the treaties that had been in force in State A,A. only those that were dispositive treaties continue to be in force. B. they are in force througho...