3. 烤鸭(Roast Duck)是北京的地方风味，已有1600多年的历史。
---------答案---------
1. In recent years, as China's political and economic power is on the rise, more and more foreigners are leaning Chinese.
2. Now colleges and universities are seeing a change in the students' lifestyle.
3. With the longest history of over 1, 600 years, Roast Duck is the local flavor of Beijing.