As nobody here knows what is wrong with the machine,we must send for an engineer to _____ the

problem.      [ ]

A. handle        

B. raise            

C. face            

D. present

带下减少妇科检查多可见（）

A. * * 黏膜充血，分泌物多黄脓样

B.外阴、 * * 萎缩，外阴黏膜、皮肤变白

C. * * 黏膜薄而光滑，有点状出血或小溃疡

D. * * 壁附有一层白膜

E. * * 黏膜菲薄充血，分泌物极少，宫颈、宫体萎缩