结合古诗,理解下列词语。
遥:____ 川:____ 生:____ 疑:____
在日常生活中经常发生下列变化,其中属于化学变化的是 ( )
—It is reported his fortune is up to $37 billion. However, he led a dog's life during his childhood.
下列几何图形中为圆柱体的是 ( )