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【单选题】
以下哪项不是使用DDEDIT命令编辑文字的特点? ( )
A.
编辑单行文字时,文字全部被选中,因此,如果此时直接输入文字,则文本原内容均被替换
B.
编辑多行文字时,将打开“文字格式”工具栏和文本框,这和输入多行文字完全相同
C.
退出当前文字编辑状态后,可单击编辑其他单行或多行文字
D.
编辑图形实体时,允许一次选择多个文本实体
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A.
facilities
B.
lens
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artists
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A.
删除硬盘上的所有文件
B.
重新启动计算机
C.
用杀毒软件检测并清除病毒
D.
保护现场并立即向公安部门报案
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aluminum-plated
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bronze-plated
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zinc-plated
D.
chromium-plated
【单选题】She has formed an alliance with Sunlines in order to increase BellAir's
A.
involvement in tourism.
B.
profit margins.
C.
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【单选题】In order to increase revenues, a cell-phone company has decided to change its fee structure. Instead of charging a flat rate of $20 per month and $0.05 for every minute over 200 minutes, the company w...
A.
A rival company, which charges no start-up fee, offers an unlimited calling plan for $40 per month.
B.
Two-thirds of the company's customers use less than 500 minutes per month.
C.
Studies have shown that customers using unlimited calling plans will increase their monthly usage of minutes by over 50 percent.
D.
One-fifth of the company's customers use in excess of 1,000 minutes per month.
E.
In recent months the company has received several complaints of insufficient signal strength and poor customer service.
【单选题】发现计算机感染病毒后,应该采取的做法是()。
A.
重新启动计算机并删除硬盘上的所有文件
B.
重新启动计算机并格式化硬盘
C.
用一张干净的系统软盘重新启动计算机后,用杀毒软件检测并清除病毒
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A.
100
B.
96
C.
101
D.
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【简答题】In order to increase the power radiated,the length of the dipole has to be comparable to wavelength.The most widely used dipole is approximately half a wavelength long.The pattern of a half-wave dipol...
【单选题】二进制数1100100转换成十进制整数是( )。
A.
96
B.
100
C.
104
D.
112
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