（）属于标记语言。 A．PHP B．Lisp C．XML D．SQL

简述用甲醛肟分光光度法测定水中锰的方法原理。

在采购实务中，获取与选择报价有以下几种办法被广泛应用，包括：竞争性谈判和招标采购，其中竞争性谈判的优点是：（）

A.违反自由竞争精神，助长企业托拉斯垄断价格，阻碍工商业的发展

B.可选择适当的对象，并兼顾供应商以往的业绩j确保采购安全，防范采购风险

C.无限制的独家谈判，容易造成厂家抬高价格

D.秘密谈判容易给参与者或操作人员造成串通舞弊的机会

甲委托乙采购男装，乙去丙处采购却看好女装市场，于是与丙签订了女装的采购合同，丙不知情，乙的行为属于（）。

A．效力待定

B．没有代理权

C．超越代理权

D．构成表见代理

WLANs are increasingly popular because they enable cost-effective connections among people, applications and data that were not possible, or not cost-effective, in the past. For example, WLAN-based applications can enable fine-grained management of supply and distribution (166) to improve their efficienty and reduce (167) . WLANs can also enable entirely new business processes. To cite but one example, hospitals are using WLAN-enabled point-of-care applications to reduce errors and improve overall (168) care. WLAN management solutions provide a variety of other benefits that can be substantial but difficult to measure. For example, they can protect corporate data by preventing (169) through rogue access points. They help control salary costs, by allowing IT staffs to manage larger networks without adding staff. And they can improve overall network mananement by integrating with customers’ existing systems, such as OpenView and UniCenter. Fortunately, it isn’t necessary to measure these benefits to justify investing in WLAN management solutions, which can quickly pay for themselves simply by minimizing time-consuming (170) and administrative chores.

（167）是（）

A.personel

B.expenses

C.overhead

D.hardware

科举制废除是在（）

A.1905年

B.1906年

C.1907年

D.1912年