运用B超探查动物肾区时,其肾盂部位声像图像为()
A.回声强而平滑
B.低强度均质微细回声
C.多个无回声暗区
D.放射状排列的强回声结构
E.点状回声区
参考答案:B
皮脂腺分布缺乏的部位是()
A.掌跖
B.外阴部
C.乳晕
D.头皮
E.包皮
A young man glasses came the office . He had an old bag his arm .
A.without ; in ; in
B.with ; into ; under
C.in ; out of ; under
D.with ; in ; on