【正文】
The bicycle riders must wear helmets to protect their heads. care for, 注意 1b Read 1a and match the topic sentence with each paragraph. Then write a title for the passage in the box above. Paragraph 1 Paragraph 2 Paragraph 3 A. Bicycle riding is good for health and the environment. B. Bicycle riders must obey the safety rules. C. Bicycles are very popular. Find out and learn the new words in 1a. truck n. reflector n. injury n. (對軀體的 )傷害,損傷 signal ,暗號 notice n. 注意,理會; ,注意到 in case of 如果,假使 look out 小心 (be careful) in a word 總之 safety ,平安 1a Read and understand. 1c Read again and answer the following questions. 1. What do people use bicycles for? 2. Why is bicycle riding good exercise? 3. How do bicycle riders protect their heads? 4. What must bicycle riders do when riding at night? 5. If a bicycle rider is badly hurt in a traffic accident, what should he / she do? 1. People use bicycles for work, for sport or just for fun. 2. It helps people bee fit and it can make the riders’ hearts and lungs strong. 3. They must wear helmets to protect their heads. 4. They must wear lightcolored clothes, and have lights in the front and reflectors on the back of the bicyc