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set up the size of the spotlight by clicking a row of moving barcode.Click
icon,
you can exit, as follows:
7)drag curtain:
choose drag curtain, you can conduct covering and opening ,
which can make targeted information stand out.It is easy for teaching
presentation.You can adjust the size of the curtain,click
any button of the four
sides of the curtain, which can conduct the answers known one by one .And you can
exit drag curtain by pressing the coin
,as following picture:
