招标人向建设行政主管部门办理( )手续认可后才可进行招标工作。
A．立项批准 B．征地许可 C．安全许可 D．申请招标
参考答案：D
the population of China is the largest in the world.
A．It is well known that
B．As is well known
C．Which is well known
D．That is well known
患者，男性，70岁，直肠指诊前列腺有一硬结，血清PSA13.5ng／ml，为明确诊断应选择的检查方法是（）
A.经直肠B超
B.CT扫描
C.MRI
D.前列腺穿刺活组织检查
E.放射性核素骨扫描
