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问题 单项选择题

下列何种情况下，患者应进行垂体兴奋试验，以区别病变是在垂体或在丘脑下部（）

A.FSH升高，LH正常

B.FSH正常，LH升高

C.FSH正常，LH降低

D.FSH、LH均降低

E.FSH、LH均升高

答案

参考答案：D

单项选择题

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
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填空题

当车组处于静止状态时，（）制动会自动施加。
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