Sometimes he was made in an embarrassing situation because he was always too_________ in his work.

A．outspoken.

B．outstanding

C．considerate

D．patient

对无牙颌印模范围的要求中，不正确的描述为（）

A.基托伸展范围过大，会损伤粘膜组织

B.基托伸展范围不足，将使义齿的固位和支持力均受到影响

C.上颌印模后缘应盖过腭小凹和翼上颌切迹

D.下颌印模后缘应盖过磨牙后垫前缘

E.舌侧后缘伸展应越过下颌舌骨嵴舌侧翼缘区