SHIFT（Key.SHIFT 属性）

var keyListener:Object = new Object();
keyListener.onKeyDown = function() {
if (Key.isDown(Key.SHIFT)) {
car_mc._xscale = 2;
car_mc._yscale = 2;
} else if (Key.isDown(Key.CONTROL)) {
car_mc._xscale /= 2;
car_mc._yscale /= 2;
}
};
Key.addListener(keyListener);