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r rectangles on the blackboard. T: What shape are they? S: They are …… T: How many rectangles? (Let students count the rectangles) S: Ten rectangles. 3. Show some colour circles, squares, triangles on the 層層遞進,在反復操練中即復習第一課時中的句型和單詞,熟練掌握 How many句型。 blackboard. Ask and answer in pairs. S1: Look at the pictures. How many… ..? S2: …… 4. Let students make a picture with many circles, squares, triangles, stars