Lesson 10 You must be careful教学目标1.能听、说、认读单词：stop, traffic lights, red, green, cross, park.2.进一步使学生掌握祈使句的肯、否定形式。3.能认识、会说常见的交通标识牌。4.在完成lets practice().()的同时，让学生了解基本的交通知识，教育学生要遵守交通规则。教学重难点1.能听、说、认读单词：stop, traffic lights, red, green, cross, park.2.能认识常见的交通标识牌，掌握基本的交通规则。教学准备ppt.课件、图片、卡片、交通标识牌、纸教学过程1. Warming upStep 1 Listen to the song about traffic regulations.2. Presentation and practicePart 1 New wordsStep 1 Show the ppt. stop, traffic lights, red, green, cross, parkStep 2 Read them after the teacher.Step 3 Show the word cards and pictures.Step 4 Ask the students to read them one by one.Step 5 Match the words and pictures.Part 2 Traffic regulationsStep 1 Show the cards about red light, green light, yellow light. Tell the students they are traffic lights. We must be careful at the traffic lights.Step 2 Show the ppt.Red light-stopGreen light-cross/goYellow light-wait a moment Step 3 Read them.Step 4 Play a game.It you are a policeman, please show the traffic lights, the others say and do.Part 3 Traffic signsStep 1 show the ppt.Turn right. Dont cross the road. Dont turn left. Dont park here. Dont stop here.Step 2 Guess the meanings.Step 3 Read them.Step 4 Show the cards about traffic signs.Step 5 Listen and draw.3. ExtensionStep 1 show more traffic signs.Step 2 Read them.4. SummaryLets chant about traffic regulations5. Homework Remember the traffic regulations. Make some traffic signs and play with your parents.