第一章 单元测试
1、
The difference between international tourists and domestic tourists is whether they cross the national boundaries or not.
A:对
B:错
答案: 对
2、
On May 9, 1947, the World Bank approved the first loan and loaned $250 million to United States.
A:对
B:错
答案: 错
3、
International Air Transport Association was established in 19