一般来说,二级医院应解决的社区健康问题的比例为()。
A、5%-10%
B、15%-20%
C、60%-80%
D、70%-90%
参考答案:B
为鉴别先天性胆管闭锁与新生儿肝炎可使用
A.苯巴比妥
B.吗啡
C.脂餐试验
D.促胆囊收缩素
E.维生素C
His whole school education ________ only half a year, because his family was very poor.[ ]
A.added up
B.added up in
C.added up to
D.was added up