AFP病例双份合格粪便标本采集率达（）以上；AFP粪便标本7天内送达及时率达到（）以上。
参考答案：80%；80%
Americans who consider themselves ________in the traditional sense do not usually hesitate to heap criticism in domestic matters over what they believe is oppressive or wasteful.
A．pedestrian
B．penchant
C．patriotic
D．patriarch
公路集装箱甩挂运输的组织形式包括（）。
A.一线两点、一端甩挂
B.循环甩挂
C.驼背/滚装运输
D.一线两点、两端甩挂
