2. What can't you do in the stores in the Chinatown according to the passage? （C）
A. You can buy a unique range of souvenirs, goods and clothing.
B. You can find all kinds of traditional Chinese herbal medicine.
C. You can play Chinese chess and practise Tai chi.
D. You can taste and buy a variety of Chinese tea.

3. Which of the following statement is true? （D）
A. The majority of residents in Chinatown can speak English fluently. 
B. What the tourists and San Franciscans like most about Chinatown is Chinese tea.
C. The legendary Dragon Gate was built by Chinese immigrants before the 1906 earthquake.
D. Portsmouth Square is a great place to see traditional Chinese culture in real life.