140mm套管所用铅模外径一般为φ（）mm。
A.105
B.118
C.120
D.145
参考答案：B
– If I _____ you, I would go to see the doctor at once.
A. am B. were C. was
肾脏占位性病变，下列哪项是最常见的（）
A.肾细胞癌
B.血管平滑肌脂肪瘤
C.肾腺瘤
D.单纯性肾囊肿
E.肾盂癌
