问题 多项选择题

除了正常的工程和经济因素之外,以下()等方面能决定交换机是否具有话务控制能力的因素。

A、交换机、电路群的容量及网路结构

B、网路管理组织

C、由于网管增加了负荷而使交换机的处理能力下降

D、交换机在网中的作用及重要性

答案

参考答案:A, B, C, D

写作题
写作。

    最近,教育部启动了“阳光体育”健身活动计划,建议全国中小学生每天锻炼一小时,让他们
健康、快乐。此项活动受到广大学生的欢迎。李华对所在学校参加活动的情况和反映做了一个调查。
请你根据下面调查表的内容,帮他给校报写一篇报道。 
注意: 
   1. 报道的开头与结尾已给出,不计入总词数;
   2. 词数80左右。

Interviewees (调查对象)ActivitiesFeelingsReasons
most studentsplay sports interested to have lots of fun
many students skip (跳绳) happy to keep healthy
some students take a walk relaxed to enjoy fresh air instead
of staying in the classroom
a few students worried no enough room (空间) on the playground; no
enough time to finish
homework
     The "Sunshine Sports" program is warmly welcomed in our school. Nearly all the students have taken
part in it. 
                                                                                                                                                     
                                                                                                                                                     
                                                                                                                                                     
 
单项选择题