单项选择题 活化分子所具有的能量即活化能。 A、正确 B、错误
单项选择题 Beginning with primitive mythology, Chinese literature developed with The Book of Songs, poetry of the South, the prose of the pre-Qin period, hanfu and yuefu folk songs of the Han Dynasty, the literary criticism in the Wei and Jin dynasties, the Tang poems,ci of the Song Dynasty, yuanqu in the Yuan Dynasty and the Ming and Qing ____. Each dynasty contributed its own distinctive literary genre. A. novels B. essays
问答题 汽油滤清器的作用是过滤燃油中的______和水分。