預防及測試你是否患上老人癡呆症 測試規則:一口氣找出下面這些問題的答案,看看總共花了多少時間,齊來玩玩這簡單的遊戲 :) WildGuess/Recognise the country flag game. Play and prevent Alzheimers Disease, enjoy and have fun when playing the game :)