—It's getting late. I really _____go now, my daughter is home alone.
A:may
B:can
C:must
D:dare
过氧化钙(CaO2•8H2O)是一种在水产养殖中广泛使用的供氧剂.
说到人生追求,我们也许会吟诵“独上高楼,望尽天涯路”,“蜀道之难,难于上青天”,“路漫漫其修远兮,吾将上下而求索”,这里引用的文学形式依次是