阅读理解。 The Blacks are American tourists. They are visiting Beijing. This is their first visit to China. They are going to stay in China for three months. They want to visit some big cities and villages. They hope to learn some Chinese, too. Mr Black is a taxi driver. He likes to drive in Beijing. Mrs Black is a school teacher. She is visiting a city school today and a village school tomorrow. Their daughter is a middle school student. She is going to meet some Chinese students. They are taking a lot of pictures in China. When they return to America, they are going to show the pictures to their friends. They want the American people to know more about China. 1. The Blacks are from ______. [     ] A. China B. England C. Canada D. the USA 2. The Blacks are staying in ______ now. [     ] A. England B. Beijing C. Shanghai D. New York 3. Mr Black is ______. [     ] A. a teacher B. a doctor C. a taxi driver D. a worker 4. There are ______ people in Mr Black's family. [     ] A. two B. three C. four D. five 5. Why are they going to show the pictures to their friends when they go back to America? [     ] A. Because the pictures are very beautiful. B. Because they like China. C. Because they want the American people to know more about China. D. Because they want the American people to come to China.