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【单选题】
5在Photoshop中的空白区域,双击可以实现________
A.
新建一幅图片
B.
新建一个空白文档
C.
打开一幅图片
D.
只能打开一幅扩展名为.psd的文件
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【单选题】Technology Transfer in Germany When it comes to translating basic research into industrial success, few nations can match Germany. Since the 1940s, the nation's vast industrial base has been fed with ...
A.
Technologytransfe
B.
Good management.
C.
Hard work.
D.
Fierce competition.
【单选题】The following statements are mentioned in the passage except that______.
A.
in the pre-industrial society, the whole family was part of enterprise, work and the family were the same thing
B.
because of the Industrial Revolution, workers sold their time but not what they produced
C.
because of the Industrial Revolution more factories needed more workers
D.
because more people lived in the cities and factories labor became a commodity
【单选题】In Forces of Production, David Noble examines the transformation of the machine-tool industry as the industry moved from reliance on skilled artisans to automation. Noble writes from a Marxist perspec...
A.
reexamining a political position and defending its validity
B.
examining a management decision and defending its necessity
C.
analyzing a scholarly study and pointing out a central weakness
D.
explaining a trend in automation and warning about its dangers
【单选题】关系运算中花费时间可能最长的是( )
A.
选取
B.
投影
C.
差运算
D.
笛卡尔积
【单选题】关系运算中花费时间可能最长的是:
A.
选取
B.
投影
C.
D.
笛卡尔积
【单选题】XJE05 型经纬仪的仰角测角范围为( )。
A.
-10 °-185°
B.
0 °-190°
C.
-5 °-185°
D.
-5 °-180°
【单选题】()是一个民族和国家最基本的文化载体。
A.
文化
B.
政治
C.
语言
D.
经济
【单选题】关系运算中花费时间可能最长的是( )
A.
选取
B.
投影
C.
D.
笛卡儿积
【简答题】西方海洋文明暴力洗劫东方内陆文明的时代虽已远去,可是全球化的蓬勃兴起,再次使蕴藏着丰富资源的海洋成为人类通向四面八方的“巨大的公路”。 材料一:全球化时代的国家财富的增长与国家海权而非陆权的扩张是同步上升的。这是因为,海洋是地球的“血脉”,因而也是将国家力量投送到世界各地并将世界财富送返资本母国的最快捷的载体。于是,控制大海就成了控制世界财富的关键。 ——摘编自张文木《世界地缘政治中的中国国家...
【单选题】关系运算中花费时间可能最长的是:
A.
选取
B.
投影
C.
笛卡尔积
D.
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