下列各句均有一处错误, 请找出并改正。 1. Let’s don’t do it

尿浊偏肾阳虚的主方是（）

A.二至丸

B.鹿茸补涩丸

C.苍术难名丹

D.《济生》肾气丸

E.吴茱萸汤

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

有关系S(S#，SNAME，SEX)，C(C#，CNAME)，SC(S#，C#)。其中S #为学生号，SNAME为学生姓名，SEX为性别，C#为课程号，CNAME为课程名。要查询选修“计算机”课的全体女学生姓名的SQL语句是SELECT SNAME FROM S，巴SC WHERE子句。这里WHERE子句内容的是( )。

A．S,S#=SS# AND SEX='女'AND CNAME='计算机'

B．S,S#=SS# AND CC#=SC# AND CNAME='计算机'

C．SEX＝'女'.AND CNAME='计算机'

D．S#=SS# ANDC#=SC# AND SEX='女'AND CNAME='计算机'

单位下发了社保卡，我想了解一下北京社保卡怎么用？怎么激活？

以下选项中（）是活性炭吸附的影响因素。

A.温度

B.极性

C.溶解度

D.接触时间