小肠大部切除 ( )
A．分泌性腹泻B．渗出性腹泻C．吸收不良性腹泻D．动力性腹泻E．渗透性腹泻
下述疾病分别属于何种腹泻
参考答案：C
In fact _____ is a hard job for the police to keep order in an important football match. [ ]
A. this
B. that
C. there
D. it
妊娠足月胎盘重量约为( )
A．250～350gB．350～400gC．450～650gD．700～800gE．850～900g
