国家对公共通信和信息服务等重要行业和领域，以及其他一旦遭到破坏、丧失功能或者数据泄露
题型：单项选择题
问题：
国家对公共通信和信息服务等重要行业和领域，以及其他一旦遭到破坏、丧失功能或者数据泄露，可能严重危害国家安全、国计民生、公共利益的（），在网络安全等级保护制度的基础上加强保护。
A.关键信息
B.关键设施
C.基础设施
D.关键信息基础设施
题型：单项选择题
第Ⅱ卷（共35分）
第四部分写作（共两节，满分35分）
第一节对话填空（共10小题；每小题1分，共10分）
请认真阅读下面对话，并根据各题所给首字母的提示，在答题卡上标有题号的横线上，写出一个英语单词的完整、正确形式，使对话通顺。
（M="Mark " W="Wang" Ling）
M: Hi Wang Ling, how are your studies going?
W: Well exciting, but sometimes I find them very （76）d ____． 76．_____
Most of the other students can understand the lectures （77）w ____ 77．_____
difficulty, but I have to listen carefully and take lots of notes．
M: Yes, I know what you mean．Have you （78）c ____ recording the lectural? 78．_____
W: No, I didn't think we were （79）a____ to． 79．_____
M: Oh it's no （80）p ____, you just have to ask the lecturer's permission． 80．_____
W: Oh, that's a good idea．And I don't get used to the teaching （81）m _____． 81．_____
We are often asked to have discussions．You know we seldom did this in China．
M: Well, discussions are really difficult for you at the （82）b ____, 82．_____
but they are really a good way of learning．The other students have
different （83）o____and you can learn much from them．So 83．_____
during a discussion listen carefully．If there's something you don't
understand, you can raise questions．
W: I see．
M: Anyway, don't always worry about your studies．You need to
（84）r____yourself．Say 
travel to some places in Britain． 84．_____
W: That sounds like a good idea．I am so glad to have a （85）f____ 85．_____
like you in Britain．Thank you very much．