使用罂粟壳的医务人员必须是
A.执业药师
B.执业医师
C.执业医师并经考核能正确使用麻醉药品
D.医士
E.药房主任
参考答案:C
(2013·高考江苏卷)Lionel Messi ________ the record for the most goals in a calendar year,is considered the most talented football player in Europe.
A.set
B.setting
C.to set
D.having set
下述哪种病变,腹部平片价值最低()
A.肾结石
B.消化道穿孔
C.输尿管结石
D.原发性肝癌
E.大量腹水