Unit 2 Food and health(第一课时)Step1.warm-upPlay a game.Step2.PresentationLook at the pictures. How to say it?Learn: carrot sticks , celery, grapes,cherries, corn-on-the-cob,stringbeans.What colour?Step 3:show food rainbow.1. What are they?2. Lets classify. Read them like me._ _are red. _ _ _are yellow.They are good for your health.Step 4: say a chant.Step 5:ask and answer:Whats your favourite food?My favourite red/orange/yellow/green/blue and purple food is_.Step 6:practice(片段练习)