All in all, the TV programmes were peaceful and entertaining,but the following programme contains scenes that may be ______ to some viewers.

A．satisfying

B．disturbing

C．interesting

D．positive

制备静脉注射液时，不能加入的附加剂是

A．抑菌剂

B．抗氧剂

C．pH调节剂

D．渗透压调节剂

E．乳化剂