搜题请搜索小程序“爱下问搜题”
问题 单项选择题

在Word的编辑状态，选取文档中的一行宋体文字后，先设置粗体，再设置斜体，则（）

A.所选取行的文字变为宋体粗体

B.所选取行的文字变为宋体斜体

C.所选取行的文字变为黑体粗体和斜体

D.所选取行的文字变为宋体粗体和斜体

答案

参考答案：D

单项选择题

Even though current technologies make the ultimate segmented network impractical, new technologies and products hold the promise of making the concept a reality. Most important of all these new technologies are (66) . The ultimate switched LAN, which is technically possible, now, exhibits the following characteristics:
1. High-speed yet cost-effective switching devices can be implemented on a wide scale, providing dedicated connections for individual users and supporting the aggregate (67) of all networked users.
2. The ability to deploy switching capabilities incrementally into the (68) base. Switching implementations support switching of individual users or groups so that existing users of shared media modules can continue to use the existing equipment until they can justify moving to dedicate switched LAN connections.
3. Support and enhancement of existing routed environments. Switching (69) routint, but rather can be introduced into the network without making any changes to the existing routing equipment or configuration. (70) play a critical role in the integration of switching into existing networks.

A．device

B．distributed

C．installed

D．integrated
查看答案
单项选择题

成人脊椎结核和椎体肿瘤在X线上的主要鉴别点是观察

A．椎体破坏的程度

B．椎体破坏的数目

C．椎旁软组织阴影的形态

D．椎间隙是否变狭窄或消失

E．椎体骨质疏松的程度
查看答案