Section APeriod 1 (1a-2d)Unit 4Let’s enjoy a video.Do you know any traffic rule?Do you know other rules?Look at the pictures and guess the meanings.No talking!No walking!No swimming.No fire! No smoking! No pets allowed! No mobile phones! Don’t sit on the handrail.No eating. No drinking.Don’t climb the ladder.Emergency ExitWet FloorThose pictures are public signs.We can call them: rules.公共标志规则;规定school rulesclass rulesfamily ruleslibrary rulesdining rules校规班规 图书馆规则就餐规则家规 Do you know the places that have rules? And what rules do you know?keep rulesbreak rules遵守规则违反规则In our daily life( 日常生活 ):we have towe can’tWhat can we do at school?What can’t we do at school?A: Can we be late for class?B: No, we can’t. We can’t be late for class. Don’t be late for class.be late for class = arrive late for class Don’t eat in the classroom.A: Can we eat in the classroom?B: No, we can’t. We can’t eat in the classroom.We can eat in the dining hall.A: Can we eat in the dining hall?B: Yes, we can eat in the dining hall..A: Can we run in the hallways?B: No, we can’t. We can’t run in the hallways.Don’t run in the hallways.A: Can we listen to music in class?B: No, we can’t. We can’t listen to music in class.Don’t listen to music in class.Don’t fight. A: Can you fight?B: No, we can’t. We can’t fight.Let’s make a conclusion.What are the school rules?1. Don’t arrive late for class.2. Don’t run in the hallways.3. Don’t eat in the classrooms.4. Don’t listen to music in the classrooms or the hallways.5. Don’t fight.School rules1a Which rules are these students breaking? Write the number of the rule next to the student. SCHOOL RULES1. Don’t arrive late for class....