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【判断题】
产生新想法、进行抽象思考的技能是诊断技能。()
A.
正确
B.
错误
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【单选题】Internet cookies are lost when upgrading from Windows 98 or Windows Me to Windows XP. What is the MOST likely cause?()
A.
Internet Explorer cookies from Windows 98 or Windows Me are incompatible with Windows XP
B.
Internet Explorer 4x was installed prior to upgrading to Windows XP
C.
Windows XP has a different user profile structure than Windows 98 or Windows Me and the upgrade process does not migrate cookies
D.
Windows XP default Internet security option settings delete cookies during upgrades from Windows 98 or Windows Me
【判断题】虚拟是通过某种技术将一个物理实体变为若干逻辑对应物的功能,是操作系统最基本的特征之一。
A.
正确
B.
错误
【单选题】Pocoyo bakes cookies and Pato grows vegetables. In which of the following c ases is it impossible for both Pocoyo and Pato to benefit from trade?
A.
Pocoyo does not like vegetables and Pato does not like cookies.
B.
Pocoyo is better than Pato at baking cookies and Pato is better than Pocoyo at growing vegetables.
C.
Pato is better than Pocoyo at baking cookies and at growing vegetables.
D.
Both Pocoyo and Pato can benefit from trade in all of the above cases.
【单选题】Which sentence from the section "Testing Before Tasting" explains WHY the cookies have not been eaten?
A.
The cookies were not eaten in space.
B.
Scientists first need to see if they are safe to eat.
C.
Still, the smell of cookies up in space was worth it for the astronauts.
D.
Astronauts do not have many food choices.
【单选题】设有2个项目文件:T1.PJX、T2.PJX,2个数据库文件:SJ1.DBC、SJ2.DBC,1个自由表文件:A1.DBF。以下叙述中,不正确的是()。
A.
T1.PJX与T2.PJX可以共享SJ1.DBC文件
B.
A1.DBF自由表添加到SJ1.DBC成为库表以后,就不能添加到SJ2.DBC中
C.
打开T1.PJX文件后,用系统菜单“文件/新建”命令创建的文件都属于T1.PJX项目管理
D.
从T2.PJX项目中“移去”某个数据库时,可以同时删除数据库文件
【单选题】Assume the demand schedule for cookies is downward sloping. If the price of cookies falls from $2.50 to $2.25 per dozen:
A.
the demand for cookies will fall.
B.
the demand for cookies will rise.
C.
a larger quantity of cookies will be demanded.
D.
a smaller quantity of cookies will be demanded.
【简答题】虚拟是通过虚拟技术将( )物理实体变为( )逻辑上的对应物的功能。os中利用( )技术实现虚拟设备,( )用于对存储空间的管理。
【单选题】从数据库中移去表的命令?
A.
ADD TABLE
B.
REMOVE TABLE
C.
DELETE TABLE
D.
INTO TABLE
【判断题】防止盐害对于地下水位没有要求。()
A.
正确
B.
错误
【判断题】防止盐害对于地下水位没有要求
A.
正确
B.
错误
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