阅读理解。 Mary is an American schoolgirl. She is now in Beijing with her parents. Mary doesn't know Chinese. But she is trying to learn and speak it.She often tries to speak Chinese to Chinese very well. It's Sunday morning. She goes out.She is walking in the street. She is going to the zoo to see the elephants and monkeys, but she doesn't know how to get there. She stops a Chinese schoolboy and asks him the way. The boy can't understand her. She looks worried. Then she finds a way to express what she wants to say. She takes out a pen and some paper. She draws an elephant on it and shows the picture to the boy. The boy has a careful look at the picture, reads it and smiles and shows Mary the way to the zoo. 1. This article mainly tells us a story of _____. [     ] A. the picture to the boy B. the way to the zoo C. how to learn Chinese in China D. an American girl Mary in Beijing 2. The underlined words 'understand her' in the text means _____ in Chinese. [     ] A. 理解她当时的心情 B. 认识她 C. 明白她说的话 D. 帮助她 3. Why does Mary stop a schoolboy in the street? [     ] A. Because she wants the boy to see her picture. B. Because she wants to have a talk with the Chinese boy. C. Because the schoolboy is on his way to the zoo. D. Because she wants to know the way to the zoo from the boy.