与免疫固定电泳最类似的沉淀试验是（） A.对流电泳 B.火箭电泳 C.免疫电泳 D.

《增值税分企业类型统计月报表》中的“卷烟”包括（）

A.卷烟生产

B.卷烟批发零售

C.烟用滤嘴棒生产

D.烟叶复烤业的烟草制品

罗马法复兴过程中，最早出现的法学派别是：（）

A.评论法学派

B.波伦亚法学派

C.历史法学派

D.注释法学派

WLANs are increasingly popular because they enable cost-effective connections among people and applications that were not possible in the past. For example, WLAN-based applications can enable fine-grained management of supply （71） to improve their efficiency and reduce （72） . WLANs can also enable entirely new business processes. To cite but one example, hospitals are using WLAN-enabled point-of-care （73） to reduce errors and improve overall patient 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 （74）through rogue access points. They can improve overall network management by integrating with customers’ existing systems. 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-（75） deployment and administrative chores.

71（）

A．custom

B．server

C．chains

D．chances

Excel函数一共有12类。（）

（）是由早先形成的岩石由于后来地质环境和物理化学条件的变化其结构构造和化学成份也发生变化而形成的一种新的岩石类型。

A.变质岩

B.储集岩

C.火成岩

D.沉积岩