(
课件网) Period 2 Oxford English 10 Air Air has no _____ or _____. Air has no _____ or _____. We cannot ____ it, but we can ____ it. Air is _____. colour shape smell taste see feel everywhere It is important to all _____. It is also important to _____ and _____. We all need it to keep us ____. people animals plants alive Look at the _____ and the _____. Look at the _____ and the _____. They all need it too. It keeps them _____ in the sky. kite balloon plane bird high Air, water and food keep us alive. Air pollution Air keeps us alive. We get sick if the air is too dirty. It's dirty. It's clean. What’s the matter, Kitty Are you crying I’m not crying. My eyes hurt. It’s the smoke. Where is the smoke from It’s from the cars and buses. Look at the black smoke from the factory. It makes the air dirty. Let’s go to the park, Ben. The air is clean there. OK. What’s the matter with Kitty It’s the smoke. It’s from cars, buses and the factory. Her eyes hurt. What hurts her eyes Where is the smoke from What’s the matter, Kitty Are you crying I’m not crying. My eyes hurt. It’s the smoke. Where is the smoke from It’s from the cars and buses. Look at the black smoke from the factory. It makes the air dirty. Let’s go to the park, Ben. The air is clean there. OK. The air is so fresh here. Yes. There are a lot of trees in the park. Trees keep the air clean. We should plant more trees and keep the air clean. Yes! We should keep our city clean. The air is so fresh here. Yes. There are a lot of trees in the park. Trees keep the air clean. We should plant more trees and keep the air clean. Yes! We should keep our city clean. The air on Earth is getting dirty. We burn coal to make electricity(电). Factories give out a lot of smoke. factories cars buses burning wood fire crackers Look at the pictures. Talk about them with your classmates. plant more trees ride our bikes more often take buses more often dirve our cars less often use both sides of the paper tell factories not to pullute the air Look at the pictures. Talk about them with your classmates. Our future Which do you want We only have one Earth! We must keep it healthy! API and Health Implications (Daily Targets) API Air Pollution Level： 0 - 50 Excellent 51 -100 Good 101-150 Slightly Polluted 151-200 Lightly Polluted 201-250 Moderately Polluted 251-300 Heavily Polluted 300+ Severely Polluted
