Who ______________ a doctor?[ ]
A. wants to
B. want to be
C. wants to be
答案:C
血浆中某物质能被肾小球自由滤过,肾小管对其有重吸收作用,该物质的血浆清除率与菊粉的血浆清除率相比()
A.一定大于菊粉
B.一定小于菊粉
C.一定等于菊粉
D.不能肯定,还应考虑肾小管对该物质的分泌情况