其中一般不易引起出血的是:
A.大肠B.肺C.肾D.肝E.脾
参考答案:E
He used to ________ in a small village, but now he has been used to _______ in the big city. [ ]
A. live, living
B. living, living
C. living, live
试述肾结核的诊断要点。