一般通信系统模型分为几个模块?

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问题:

一般通信系统模型分为几个模块?

考点:岗位知识竞赛IT知识竞赛IT知识竞赛题库
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Do you want to _________ a card, Jenny?[ ]

A. sending    

B. put            

C. send

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房地产市场调研报告的基本结构不包括()。

A.封面和目录

B.摘要和正文

C.结论和建议

D.使用方法

题型:问答题 简答题

阅读理解。

     After blogging regularly for two months, people felt they had better social support and friendship networks

than those who didn't blog. Blogging can help you feel less isolated, more connected to a community and more

satisfied with your friendships. Both online and face-to-face, a new Australian research has found.

     Researchers James Baker and Professor Susan Moore from Swinburne have written two papers investigating

the psychological benefits of blogging-regularly updating personal web pages with information that invites others

to comment.

     The first, published in the latest issue of the journal CyberPsychology and Behaviour. compares the mental

health of people intending to blog with that of people not planning to blog. Moore says the researchers messaged

600 MySpace users personally and directed them to an online survey. A total of 134 completed the questionnaire.

84 intended to blog and 50 didn't.

     "We found potential bloggers were less satisfied with their friendships and they felt less socially integrated;

they didn't feet as much part of a community as the people who weren't interested in blogging …"Moore says.

"It was as if they were saying 'I'm going to do this blogging and it's going to help me'."

     And it seemed to do the trick, as the researchers' second study shows. This study which is yet to be

published, was conducted two months later. The researchers sent out questionnaires (调查问卷) to the same

group of MySpace users, this time 59 responded Bloggers reported a greater sense of belonging to a group of

like-minded people and feeling more confident because they could rely on others for help. All respondents,

whether or not they blogged, reported feeling less anxious, depressed and stressed after two months of online

social networking.

     "So going onto MySpace had lifted the mood of all participants in some way," Moore says. "Maybe they'd

just made more social connections."

     Moore acknowledges this is early research and hopes to follow a larger group of people for a longer period time to test some of the research findings.

1. What does the passage mainly tell us?

A. The mental health of bloggers.

B. Blogging improves one's social life.

C. What kind of people are likely to blog.

D. Blogging has become more and more popular.

2. It can be inferred from the fourth paragraph that _____.

A. those who were not interested in blogging didn't have good mental health

B. people were likely to become bloggers if they felt socially isolated

C. potential bloggers were those who had mental health problems

D. potential bloggers usually held a wrong view about blogging

3. The purpose of the second study is to find out _____. 

A. what people do on MySpace

B. how many people became bloggers

C. how people felt after blogging for two months

D. how many people kept blogging after two months

4. The second study shows that _____.

A. online social networking can do people good

B. only bloggers benefit from online social networking

C. not many potential bloggers became real bloggers

D. not all bloggers found the help they needed

5. The main purpose of people going onto MySpace is probably to _____.

A. exchange goods

B. entertain themselves

C. seek help

D. exchange views

题型:问答题 简答题

神经源性膀胱哪些情况适用留置导尿()

A.重症和虚弱不能排空膀胱的患者

B.尿潴留或尿失禁

C.应用间歇性导尿术有困难

D.上尿路受损或膀胱、输尿管反流患者

E.肾功能衰竭

题型:问答题 简答题

按天平名义分度值与最大载荷之比,可以把天平分为()类。

A.9

B.10

C.11

D.12

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