未分类题
资源管理器中除( )都不能被格式化。
A.带有驱动程序的软盘
B.写保护的盘
C.硬盘
D.显示在当前文档窗口中的磁盘。
【参考答案】
A
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单项选择题
通常对文本标题的对齐方式采用()。
A.分散对齐
B.两端对齐
C.居中
D.左对齐
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单项选择题
公开密钥方法的主要优点之一是(46)。RSA算法的基础是(47)。当N个用户采用公开密钥方法保密通信时,系统中一共有(48)个密钥,每个用户要小心保管好(49)个密钥。为了防止不者实用户否认他们曾经通过计算机发送过文件,较简便的方法是利用公开密钥方法完成(50)。
A.所有密钥公开
B.加密解密计算方便
C.便于密钥的传送
D.易于用硬件实现
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未分类题
听力原文:M: Hi, Grace. Mind if I cat lunch with you?W: No. Mr. Evans, not at all.M: Thanks. I just beard that you're studying nutrition and you've got quite a bit of experiences working in the cafeteria, so I wonder if you will be interested in a small project we are doing this germ.W: What's the project all about?M: More and more students have been deciding not to buy the meal here and we want to attract them back. So I want to hear what students would like. Your job would be to find out.W: Well, if the menus were changed, then maybe I wouldn't have to listen to so much criticism.M: That makes you perfect for the job. Would you be interested?W: I'm not sure. What sorts of changes are you thinking of?M: I'd like to make some changes in the way we prepare our food. For example, just look at what we have to choose from today. You got a fried hamburger and I got fried chicken; They both contain too much fat.W: But you'd better not get rid of them. They're everybody's favorite.M: Well, we can certainly keep them, but we need to give the people who are health-conscious some choices. For example, we could also prepare chicken without the fatty skin and serve it on some rice with a light sauce. Do you think that would appeal to students?W: Well, I'd like that. You're right. You'd better find out what others think. Sorry, I've got to get hack to work. I'd like to hear more though. I'll drop by your office later.M: OK. See you then.(23)A.The size of the cafeteria.B.The food served in the cafeteria.C.The cost of meals in the cafeteria.D.Career opportunities in cafeterias.
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未分类题
选取多列文本,应()拖曳鼠标。
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未分类题
保守稳健型投资者可选择的投资工具有( )。
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未分类题
A.Very doubtful.B.Quite annoyed.C.Somewhat curious.D.Indifferent
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单项选择题
在收集第一手资料时所采用的最主要的调查手段是( )方法。
A.观察
B.专题讨论
C.实验
D.问卷调查
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单项选择题
市场营销因素调查属于不可控制因素调查,其目的不仅为了分析市场环境,适应市场环境变化,提高企业的应变能力,还在于寻找和发掘市场机会,开拓新市场。( )
A.正确
B.错误
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多项选择题
设甲与乙的合同签订在先.甲与丙的合同签订在后。而丙取得了该房屋的所有权。乙对甲享有下列哪些权利?()
A.可主张合同无效
B.可主张撤销合同
C.可主张解除合同
D.可主张违约责任
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单项选择题
基准地价反映一定区域内的最高地价。( )
A.正确
B.错误
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