可以采用热溶法、冷溶法、混合法制备的是（）

A.合剂

B.酊剂

C.茶剂

D.流浸膏剂

E.糖浆剂

Which statement is TRUE concerning radiotelephones on board towing vessels?（）

A.There cannot be a radiotelephone located anywhere except in the wheelhouse

B.The officer in charge of the wheelhouse is considered to have the radiotelephone watch

C.Only distress messages may be transmitted over channel 13

D.Only the Master of the vessel is allowed to speak over the radiotelephone