单项选择题

膀胱的主要生理功能是( )
A．贮存尿液 B．排泄尿液
C．分泌尿液 D．浓缩尿液
E．贮存尿液和排泄尿液

A.贮存尿液
B.排泄尿液
C.分泌尿液
D.浓缩尿液

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A．Tony rather likes his present job.
B．Tony has been laid off as of April 30.
C． It is very likely for Tony to return to his job in the summer.
D．Some other employees have lost their jobs befroe Tony.

A.Tony
B.
B．Tony
C.
C．
D.
D．Some
E.

单项选择题

某病人头部损伤后，球结膜下出血，鼻孔出血且有脑脊液流出，首先考虑为( )
A．鼻骨骨折
B．颅盖骨骨折
C．颅前窝骨折
D．颅中窝骨折
E．颅后窝骨折

A.鼻骨骨折
B.颅盖骨骨折
C.颅前窝骨折
D.颅中窝骨折