unit6t3sc課件(存儲版)
【正文】 Paragraph 2 Paragraph 3 A. Bicycle riding is good for health and the environment. B. Bicycle riders must obey the safety rules. are very popular. It is always the first sentence or the last sentence of each paragraph. 1. What do people use bicycles for? 2. Why is bicycle riding good exercise? paragraph 1 , 2 and answer the questions. It helps people bee fit and it can make the riders’ hearts and lungs strong. People use bicycles for work, for sport or just for fun. ? Number the safety rules: paragraph 3
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