[ A] silver
[ B ] prizes
[ C ] cookbook
[ D] candy
查看答案
[A] techniques
[B] standards
[C] resources
[D] functions
[ A] analysis
[ B] research
[ C] concern
[ D] focus
(37)下图为一个简单的互联网示意图。其中,路由器S的路由表中到达网络10.0.0.0的下一跳步IP地址为()。
A) 40.0.0.8
B) 30.0.0.7
C) 20.0.0.6
D) 10.0.0.5
听第10段材料,回答第17 - 20题。
17. What is the speaker?
[ A]A guide.
[B]A visitor.
[C]A teacher.