3 Demonstration o 1) Come to the stage to demonstrate. The first group should be the one who have not practiced seriously. By demonstration, they can realize that practice doesn't mean reading is enough o 2) The later group should be volunteers Content3. Demonstration • 1) Come to the stage to demonstrate. The first group should be the one who have not practiced seriously. By demonstration, they can realize that practice doesn’t mean reading is enough. • 2) The later group should be volunteers. Content