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问题 解答题

一个长方体食品盒，长20厘米，宽15厘米， 高30厘米，这个食品盒的容积有多少立方厘米？ 要在食品盒的四周贴商标纸，商标纸的面积是多少平方厘米？

答案

20×15×30=9000（立方厘米）

（20×30+15×30）×2=2100（平方厘米）

单项选择题

WLANs are increasingly popular because they enable cost-effective connections amongpeople, 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 （1） to improve their efficiency and reduce （2）. 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 （3） 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 （4）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 management by integrating with customers’ existing systems, such as OpenView. 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（5）and administrative chores.

4（）

A.intrusion 

B.aggression 

C.inbreak 

D.infall
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单项选择题

根据《建设工程工程量清单计价规范》(GB 50500—2008)的规定，规费中社会保障费不包括( )。

A．养老保险费

B．失业保险

C．医疗保险费

D．工伤保险费
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