在研究物体浮沉条件实验中，将鸡蛋放入装有水的玻璃杯中后下沉入水底。为了使鸡蛋上浮，可采用的措施是向杯中加入适量的（ ）

1﹣丁醇和乙酸在浓硫酸作用下，通过酯化反应制得乙酸丁酯，反应温度为115～125℃，反应装置如图．下列对该实验的描述错误的是（　　）

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    This is my school day . I get up at 6:00 in the morning . I have breakfast at 7:00 . I go to school at 7:45 . Now it's 8:00 . It's time for class . I have Maths class at 9:00 every day . Mr Li is my Maths teacher . I like him very much . I have PE class at 4:00. I clean the classroom at 5:20 . I go home at 5:40 . I go to bed at 9:00 .

Who _______ playing the game? （  ）

— _______.