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问题 选择题

测量单人课桌的长度，选用下面的哪个尺子更合适[ ]

A．量程是1米，最小刻度是厘米的刻度尺

B．量程是30厘米，最小刻度是毫米的刻度尺

C．量程是10米，最小刻度是厘米的刻度尺

D．量程是12厘米，最小刻度是毫米的刻度尺

答案

A

单项选择题

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.

74（）

A．integration

B．interest

C．instruction

D．intrusion
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单项选择题

胃窦部癌可采用

A．胃大部切除术
B．高选择性迷走神经切断术
C．胃大部切除加淋巴结清扫术
D．胃肠吻合术
E．全胃切除术
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