看图完成短文所缺单词。

     Look at the (1) ______. It's very nice. It's a picture (2) ______ Li Lei's (3) ______. I can see a

(4) ______ and a (5) ______ in the room. Li Lei's shoes are (6) ______ the bed. There is a (7) ______

under the desk. (8) ______ the desk, I can see some (9) ______. There is a window and a door

(10) ______ the wall Behind the door, I can see a broom.

简述啤酒酿造中蛋白质及其水解产物和啤酒的关系。