A.1/2
B.1/4
C.1/8
D.1/16
[单选题]A.1/2B.1/4C.1/8D.1/16
[单选题]A.1/2B.1/4C.1/8D.1/16
[单选题]A.1/2B.1/4C.1/8D.1/16
[单选题]A.1/2B.1/4C.1/8D.1/16
[单选题]A.1/2B.1/4C.1/8D.1/16
[单选题]A.1/2B.1/4C.1/8D.1/16
[单选题]A.1/2B.1/4C.1/8D.1/16
[单选题]A.主动脉骑跨B.室间隔缺损C.肺动脉狭窄D.右室肥厚E.左心缩小
[单选题]A.溃疡B.蔓状血管瘤C.舌癌D.舌下腺囊肿E.小黏液腺瘤
[单选题]A.下颌磨牙根尖感染B.上呼吸道感染C.医源性感染D.血源性感染E.化脓性颌下淋巴结炎