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问题 单项选择题

增加SCTP所承载的H248，IUA，M2UA，M3UA链路时，配置的本端或者远端的IP地址正确的是（）。

A.10.72.84.255

B.129.9.84.255

C.172.20.84.255

D.以上均错误

答案

参考答案：D

探究题

下面两则材料，反映出了一个什么共同问题？请将这一问题写在下面，并针对这一问题提出一条相应的建议。

　　①据某报调查，15—45 岁这个年龄阶段，有近60% 的人不知道2006 年5月14 日是什么节日。当知道这天是“ 母亲节 ”时，在访问中，很多人认为这一天与往日相比，也不是特别在乎，也没有打算以什么方式表达对母亲的问候和祝福。还有部分人认为，这天是外国节日，我们没有必要去记住它，过好自己的这一天就可以了。

　　②据调查统计，约有57% 的中小学生，对自己的生日记得很清楚，并且在这一天往往要邀请同学或朋友来祝福一下。但是对自己母亲的生日却不知道。主动关注母亲生日的也不多，在母亲生日到来之际，往往需要他人的提醒。

答：两则调查材料反映出的共同问题是：___________________

建议：_________________________________________________
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单项选择题

There is virtually no limit to how one can serve community interests, from spending a few hours a week with some charitable organization to practically full-time work for a social agency. Just as there are opportunities for voluntary service (1) (VSO) for young people before they take up full-time employment, (2) there are opportunities for overseas service for (3) technicians in developing countries. Some people, (4) those who retire early, (5) their technical and business skills in countries (6) there is a special need.

So in considering voluntary or (7) community service, there are more opportunities than there (8) were when one first began work. Most voluntary organizations have only a small full-time

(9) and depend very much on volunteers and part-timers. This means that working relationships are different from those in commercial organizations, and values may be different. (10) some ways they may seem more casual and less efficient, but one should not (11) them by commercial criteria. The people who work with them do so for different reasons and with different (12) , both personal and (13) . One should not join them (14) to arm them with professional experience; they must be joined with commitment to the (15) , not business efficiency. Because salaries are (16) or non-existent many voluntary bodies offer modest expense. But many retired people take part in community service for (17) , simply because they enjoy the work.

Many community activities possible (18) retirement were also possible during one’s working life but they are to be undertaken (19) seriously for that. Retired people who are just looking for something different or unusual to do should not consider (20) community service.

18（）

A.before

B.on

C.in

D.at
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