根据对话的逻辑关系按正确顺序排列对话。

第一个答案已给出。

A. Next, when is the volleyball game?

B. The school trip is June l st and 2nd.

C. Vera, can you help me fill in the calendar(填写日历)?

D. My birthday party is May 28th.

E. The volleyball game? Oh, it's April 25th.

F. Yes, of course.

G. Good. How about the school trip?

H. First, when is your birthday party?

I. Thank you very much.

正确顺序是：C_________________________________

下列关于Windows 2003系统下DNS服务器配置和测试的描述中，错误的是______。

A．允许客户机在发生更改时动态更新其资源记录
B．DNS服务器中的根DNS服务器需管理员手工配置
C．转发器是网络上的DNS服务器，用于外域名的DNS查询
D．使用nslookup命令可以测试正向和反向查找区域