嵌顿性疝与绞窄性疝最主要的不同点是（）。 A.疝内容物能否回纳 B.疝块大小 C.有

给下面的形近字注音并组词。

①聘（ ）__________

　骋（ ）__________

②恕（ ）__________

　怒（ ）__________

③溶（ ）__________

　熔（ ）__________

中国新民主主义革命开始的标志是[ ]

A．鸦片战争

B．辛亥革命

C．五四运动

D．武昌起义

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．switch-based LANs

B．WANs

C．user services

D．LAN-BY-PHONE

当被救助船是载货油船时，在救助方没有过失的情况下，根据LOF1980，即使救助不成功或只是部分成功，救助方仍可获得其所花的合理费用和不超过该费用的（）的补偿。

A.15%的附加费

B.30%的附加费

C.15%的特别补偿费

D.30%的特别补偿费

内障引起的眼痛常为（）

A.碜痛

B.磨痛

C.刺痛

D.牵拽痛

E.涩痛