搜题请搜索小程序“爱下问搜题”
问题 单项选择题

患者男，因上前牙牙龈反复出现瘘管，X线片显示根管钙化，经过多次正规治疗后无效，拟行根尖手术。

拆线后患者复诊时间应为

A．1个月

B．6个月

C．12个月

D．1个月和6个月

E．6个月和12个月

答案

参考答案：E

单项选择题

白盒测试也称结构测试或逻辑驱动测试，典型的白盒测试方法包括静态测试和动态测试。其中，静态测试除了静态结构分析法、静态质量度量法外，还有（）

A．代码检查法

B．逻辑覆盖法

C．基本路径测试法

D．结构覆盖法
查看答案
单项选择题

For (21) service，we need a virtual-circuit subnet．Let US see how that works．The idea behind virtual circuits is to avoid having to choose a new (22) for every packet sent．Instead， when a connection is established，a route from the (23) machine to the destination machine is chosen as part of the connection setup and stored in tables inside the (24) ．That route is used for all traffic flowing over the connection，exactly the same way that the telephone system works． When the connection is released．the virtual circuit is also tenninated．With connection-oriented service，each packet carries an (25) telling which virtual circuit it belongs to．

A．processor

B．device

C．route

D．terminal
查看答案