______ are very popular with people all over the world, but do you know who was it that invented ______ telephone?

A．The telephone; 不填

B．Telephone; a

C．The telephones; the

D．Telephones; the

女，67岁，做全口义齿修复，取完颌位记录，将戴有牙合托的上颌模型固定在半解剖式牙合架上，不正确的做法是 （）

A.将模型浸水5～10min

B.自牙合平面处将上、下颌托分开

C.将带有牙合托的上颌模型放在平面板上

D.使蜡堤唇侧对准切缘线

E.使牙合堤中线对准上颌模型中线