The police have ____ power to deal with such matters by ____ law．

A．the; the

B．不填；不填

C．不填；the

D．the；不填

甘草皂苷易溶于（）

A.无水乙醇

B.丙酮

C.乙醚

D.三氯甲烷

E.稀氨水