测绘单位在实施测绘项目前,应当向项目所在地的测绘行政主管部门办理()手续。
A.缴费
B.成果汇交
C.备案
D.测绘项目登记
参考答案:C
—How long has Henry’s father_______?—About two months.
A. bought the car B. been dead C. joined the club
腹部叩诊