纸币是由国家发行的、强制使用的价值符号。由于制作成本低,易于保管、携带和运输,因

题型:选择题

问题:

纸币是由国家发行的、强制使用的价值符号。由于制作成本低,易于保管、携带和运输,因此被世界各国普遍使用。如果一国纸币发行量太多,可能会产生(   )

A.通货紧缩

B.通货膨胀

C.货币消失

D.直接阻碍商品流通

考点:纸币(货币流通规律与纸币发行规律的关系、通货膨胀与通货紧缩、爱护人民币、电子货币)商品(使用价值、价值、价值量)一般等价物信用工具(信用卡、支票)
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轻度水肿病人每日适宜的食盐摄入量是()

A.1~2克

B.3~4克

C.5~6克

D.7~8克

E.9~10克

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常见的触电事故有()、()两种。

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怎样试验回转制动?

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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 (51) to improve their efficienty and reduce (52) . 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 (53) 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 (54) 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 (55) and administrative chores.

A. intrusion B. aggression C. inbreak D. infall

题型:选择题

在VLAN中,每个虚拟局域网组成一个 (7) ,如果一个VLAN跨越多个交换机,则属于同一VLAN的工作站要通过 (8) 互相通信。

A.区域

B.组播域

C.冲突域

D.广播域

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