为城镇职工基本医疗保险参保人员提供处方外配服务的零售药店实行()
A.轮换制
B.定点制
C.终身制
D.责任制
参考答案:B
有机营养型生物(organotroph)
His aunt always_________ a black dress.
A.put on
B.puts on
C.wear
D.wears