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Unit 4 Road safetyA Listen and number录音文字稿：1. —Look out，boy！You mustn't play football on the road. It's not safe.—OK，sir.2. Don't run on the zebra crossing，Danny!3. —There aren't any traffic lights here. Why does the bus stop?—Look！Some children are crossing the road.4. —Here's the green man. Let's cross the road.—All right.5. —How do you usually cross the road?—I usually look left first，then right and then left again.6. In China，people drive on the right side of the road.参考答案：a. 2 b. 4 c. 1 d. 5 e. 6 f. 3B Listen and write录音文字稿：1. To cross a busy road safely，we must look for a zebra crossing and then wait for the green man.2. Before we cross the street，we can first look left，then right and then look left again.3. We can cross the road with other people，Then the drivers can see us easily.4. We must not play or run on the road，because it is not safe.参考答案：1. busy，safely，green，man2. Before，first，left3. cross，with，drivers，easily4. play，run，safeC Look and say参考答案：1. —How can we cross the road safely?—We must look for a zebra crossing. We must look at the traffic lights. We can cross the road with other people.2. —What mustn't we do on the road?—We mustn't play football or run  | 