添加：2018-11-02 更新：2018-11-29 单元试卷 手机版
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You must know the traffic if you walk in a city. The traffic lights are the same in every city. There always lights. You can cross the street at the light and you must stop and wait at the light. The light means "Slow down and stop". If you drive a car, you must drive on the side of the road in China. But in England, people drive on the side of the road.
Jessica is a school girl. She is from Canada and she is now in Hangzhou. She likes Hangzhou very much. On Sunday morning, she goes out. She is going to the zoo and see pandas. But she doesn't know how to get there. She asks a Chinese boy.
Jessica: Excuse me. I am new in Hangzhou. How can I get to the zoo?
Chinese boy: It is not far. Take the No. 514 bus over there. It's fast.
Jessica: Thanks a lot.
Chinese boy: Look! The bus is coming!
Jessica: OK. Bye.
Chinese boy: Be careful! Don't go at the red light.
Jessica: Oh, right! Thanks. I must pay attention to the traffic lights.
Jessica likes beautiful Hangzhou and the Chinese people.