【单选题】【消耗次数：1】
在Internet上检索网络商务信息要面对哪些方面的困难,下面陈述不准确的是________.
①
各种检索软件检索方法不一
②
Internet资源缺乏有效的管理
③
Internet信息缺乏专业水准
④
Internet信息资源多而分散,且质量参差不齐
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相关题目
【多选题】
Internet提供了丰富的信息资源和最先进的信息交流手段，对于用户来说，Internet可以提供的基本信息服务有：（）
①
电子邮件服务
②
电子商务
③
电子公告
④
信息查询
【多选题】
电子商务是指基于Internet的商务.Internet商务是一场商业革命.具体体现在:??
①
打破时空的局限,改变贸易形态?
②
传统的商务将被Internet商务所取代?
③
Internet市场将成为商业活动的重要场所?
④
汇聚信息,生成新的业务,产生新的收入?
【单选题】
下列对Internet叙述比较准确的是____。
①
Internet就是WWW
②
Internet就是"信息高速公路"
③
Internet是采用TCP/IP协议，由许多局域网和广域网互联组成的互联网络
④
Internet就是局域网互联
【简答题】
<p>简述网络信息检索的特点。</p>
随机题目
【单选题】
12.You _____ return the book now. You can keep it till next week if you like.
①
cant
②
mustnt
③
neednt
④
may not
【单选题】
6. –Look, someone is coming. Guess who it _____ be?–I think it _____ be Tom.–I don’tthink it _____ be _____.
①
must; can; must; his
②
may; can; must; him
③
must; can; him
④
might; must; can; himself
【单选题】
1. If they ______ to do this work, he might do it some other way.
①
were
②
should
③
will
④
can
【单选题】
8. I______ go to bed until I ______ finished my work last night.
①
Don’t; had
②
didn’t have
③
didn’t; had
④
don’t; have
【单选题】
7. If it is fine tomorrow, we ______ a football match.
①
have
②
will have
③
has
④
shall has
【单选题】
19. _______hand in his exercise book before Monday.
①
Need he to
②
Does he need
③
Needs he to
④
Need he
【单选题】
9. No sooner _______ he arrived home than he _______to start on another journey.
①
has; was asked
②
have; were asked
③
had; is asked
④
had; was asked
【单选题】
13. Where is my pen? I ______ it.
①
might lose
②
would have lost
③
should have lost
④
must have lost