--- Mom, I still want to watch the football match tonight.

--- The final exams are approaching. _____ you watch the football World Cup every night?

A．Must

B．Can

C．May

D．Need

盐酸氯丙嗪"有关物质"项主要是检查（）

A.氯吩噻嗪和间氯二苯胺

B.酸度

C.氧化产物

D.分解产物

E.乙醇溶液澄清度