对肝癌最有诊断价值的辅助检查是（）
A.自身抗体测定
B.甲胎蛋白测定
C.癌胚抗原测定
D.谷丙转氨酶测定
E.脂肪平衡试验
参考答案：B
矿区基本控制网就是（）
A.近井网
B.国家等级的控制网
C.为矿区单独布设的控制网
D.矿区平面控制网
Because Web servers are platform and application (17) ，they can send or request data from legacy or external application including database．All replies，once converted into (18) mark up language，can then be transmitted to a (19) ．Used in this way，Intranets can (20) lower desktop support costs，easy links with legacy application and databases and， (21) all。ease of use．
A．off B．offer C．office D．officer
