Look at the picture. What can you see? In the picture there is a big table with a lot of things on it. There are three bottles of orange juice, two glasses of milk, some bread, cakes and so on. look, there is a cat under the table. It’s Kate's cat. Its name is Mimi. I think it like them very much. No, Mimi. You can't have them. All the things on the table are not for you. They are for Jim and Kate. They have them for lunch. POLLY is a bird.  Now it's on the window. It’s eating a banana.

 如图，用酒精灯对试管加热，水温升高，是通过____ 的方式改变水的内能．一段时间后瓶塞被水蒸气冲出去，其能量转化与热机工作中的____ 冲程能量转化相同．