The stage background image is loaded from a file on a Scratch storage unit, true, false, ........The image that covers the platform and is behind the objects, object, tab bar, tool, background, The direction of rotation of the object cannot be controlled during design., Motion, Control, Looks, Events, We use the command next costume from the set.....to switch between the appearances of the different shapes of the sprite, vertically, horizontally, all of that, horizontally and vertically, File up down.option reverses the background image, false, true.

lesson3

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排行榜

视觉风格

选项

切换模板

恢复自动保存：？