直径5cm肝癌，位于左外叶与左内叶之间者，应行（）
A.肝段切除
B.肝叶切除术
C.半肝切除
D.肝动脉栓塞化疗
E.非手术治疗
参考答案：C
Fair and(1)competition in govemment procurement around the world is good business and good public policy.Competitive pricing,product(2)and performance improvements result from competitive practices and help ensure that government authorities get the best(3)for the public they serve.
空白（3）为（）
A.help
B.server
C.value
D.policy
建筑内部热水供应系统按照热水供应的范围，分为（）、集中热水供应系统和区域热水供应系统。
