A：I saw my e-friend's name/ in a newspaper/ yesterday afternoon.
B：I saw my e-friend's/ name in a newspaper/ yesterday afternoon.
C：I saw my/ e-friend's name in/ a newspaper yesterday afternoon.
《吕氏春秋》：“民舍本而事末则其产约(财产轻便)，其产约则轻(容易)迁徙，轻迁徙，则国家有患，皆有远志，无有居心。……”这段话的核心思想是
如图所示的四种物理现象属于汽化的是（ ）
