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(共31张PPT)
Lesson 27
What's Your Advice
Have you ever learned paper folding (折纸游戏)
Step 1: Fold the paper into fourths (四分之一). Then unfold (打开) the paper.
Step 2: Fold over the four corners, evenly(均匀地) into the middle.
Step 3: Flip over (翻过来) the paper.
Step 4: Fold into fourths again.
Step 5: Fli...