题目内容

听力原文：Mr Anderson, on behalf of our company, I would like to express to you again our appreciation for having chosen us as one of your suppliers. It is our hope that these first contracts will be the beginning of a long and harmonious business relationship between our two companies.
&8226;You will hear another five recordings.
&8226;For each recording, decide what these people are doing.
&8226;Write one letter (A-H) next to the number of the recording.
&8226;Do not use any letter more than once.
&8226;You will hear the five recordings twice.
A making a complaint
B placing an order
C giving introduction
D expressing wishes
E making an offer
F refusing claim
G discussing annual report
H chairing a meeting

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阅读以下说明，回答问题1～3，将答案填入对应的解答栏内。
某公司由总部和分支机构构成，通过IPSec实现网络安全，网络拓扑结构如图4-1所示。
路由器之间的地址分配如表4-1所示。
总部端路由器的部分配置如下，解释配置中语句部分含义。
crypto isakmp policy 1 (1)
authentication pre-share (2)
group 2
crypto isakmp key test123 address 202.96.1.2 (3)
crypto ipsec transform-set VPNtag ah-md5-hmac esp-des (4)
crypto map VPNdemp 10 ipsec-isakmp
set peer 202.96.1.2 (5)
set transform-set VPNtag
match address 101
!
interface Tunnel0
ip address 192.168.1.1 255.255.255.0 (6)
no ip directed-broadcast
tunnel source 202.96.1.1
tunnel destination 202.96.1.2 (7)
crypto map VPNdemo
interface serial0/0
ip address 202.96.1.1 255.255.255.252
no ip directed-broadcast
crypto map VPNdemo (8)
!
interface Ethernet0/1
ip address 168.1.1.1 255.255.255.0
no ip directed-broadcast
interface Ethernet0/0
ip address 172.22.1.100 255.255.255.0
no ip directed-broadcast
!
ip classless
ip route 0.0.0.0 0.0.0.0 202.96.1.2 (9)
ip route 172.22.2.0 255.255.0.0 192.168.1.2 (10)
access-lost 101 permit gre host 202.96.1.1 host 202.96.1.2

在图1-1中，教师办公室的计算机能否直接从DHCP服务器租约IP地址？若能，如何查看租约的IP地址？若不能，需要对哪台设备进行如何配置？

A program was carried out in order to attract more visitors.

计算乙商场3月份以金银首饰抵偿债务的增值税销项税额。