①I want some bread. ____ A.
②The soup is cold. ____ B.
③The bed is soft. ____ C.
④The chair is hard. ____ D.
⑤I like the milk. ____ E.
巴斯德实验中,将装有肉汤的烧瓶进行加热的主要目的是( )
把如图的长方形用一条曲线分成甲、乙两个图形,甲图与乙图的周长相比,( )