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Unit 6 When was it invented ? Section B (1a1e) 第三課時(shí) Step 1 Warming up Ss watch an interesting picture. some questions about them. ① What did they eat? S1:Icecream. ② What did the big dog think of the icecream? S2:Sweet, cool, and delicious! Well, let’s look at some other delicious food, please. Step 2 Talking Work on 1a: Ss that the words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word. work with their partners a