关于网络安全服务的叙述中,(3)是错误的。A.应提供访问控制服务以防止用户否认已接收

题型:单项选择题

问题:

关于网络安全服务的叙述中,(3)是错误的。

A.应提供访问控制服务以防止用户否认已接收的信息

B. 应提供认证服务以保证用户身份的真实性

C.应提供数据完整性服务以防止信息在传输过程中被删除

D.应提供保密性服务以防止传输的数据被截获或篡改

考点:计算机软件水平考试高级信息系统项目管理师计算机水平考试高级信息系统项目管理师2007年下半年上午真题
题型:单项选择题

肘关节伸展运动范围正常是()

A.0°~90°

B.0°~125°

C.0°~135°

D.0°~150°

E.0°

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英国法案在议会下院获得通过后,还将提交到议会上院审核,是因为英国议会( )

A.上院有立法权,是行 * * 力的最高来源

B.上院有“至尊议会”之称

C.上院具有协助下院立法的作用

D.上院是英国最高司法机构

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Books which give instructions on how to do things are very popular in the USA today. Thousands of books __1__this begin with __2__ that start with the words "how to". Many of "how to " books __3__ advice on careers. They tell you how to __4__ a career and how to __5__ it. If you fail, __6__, you can buy a book called How to Turn Failure into Success. If you never make any money __7__, you need a book called How to Live on Nothing.

One of the most popular types of books is one that __8__ you with personal problems. If you are unhappy with your __9__, you can read How to Love Every Minute of Your Life. If you are tired of books on __10__, you may prefer a book called How to Make Yourself Sad.

Many of these books help people use their __11__ time better. Some people __12__ books which will give them __13__ information about sports, hobbies and travel. __14__ people use their free time to make __15__ and improvements on their homes. They like books which given __16__ instructions on how to repair things.

__17__ have "how to" books become so __18__? Probably because life has become so complex. Today people have far more problems to __19__. "How to" books help people __20__ modern life.

1.A. as    B. like     C. of       D. about

2.A. books      B. sentences    C. words D. titles

3.A. give B. take    C. follow      D. suggest

4.A. pick B. search C. find    D. choose

5.A. get into   B. take part into     C. succeed in D. fail in

6.A. however B. but      C. besides     D. otherwise

7.A. for all     B. in all   C. at all D. all too

8.A. gets B. helps   C. does    D. deals

9.A. book       B. study  C. work   D. life

10.A. sadness  B. happiness   C. anger  D. violence

11.A. free       B. busy   C. working     D. meaningful

12.A. lose       B. sell     C. use    D. want

13.A. little      B. much  C. useful D. useless

14.A. Other    B. Others C. The other   D. The others

15.A. money   B. fun     C. cleaning     D. repairs

16.A. one-by one   B. step-by-step       C. little-by-little     D. day-by-day

17.A. Why     B. How   C. When  D. Where

18.A. good     B. little   C. popular      D. bad

19.A. answer  B. do      C. work out    D. solve

20.A. go away with       B. deal with    C. take with    D. fight with

题型:单项选择题

急性尿路梗阻引起急性肾衰竭时诊断最主要的检查是()

A.X线

B.心电图

C.超声检查

D.血尿素氮和肌酐

E.以上都是

题型:单项选择题

对于有两段床层的反应器,随着运转周期的延长,上下床层压降变化说法正确的是()。

A、差不多

B、不能确定

C、下床层上升快

D、上床层上升快

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