IVP对肾的先天发育异常无诊断价值的是（）
A.单纯异位肾
B.驼峰肾
C.马蹄肾
D.孤立肾
E.侏儒肾
参考答案：B
How glad we are! Miss Li will teach _______ English this term. [ ]
A. we
B. us
C. our
D. ours
