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【单选题】
（）都是计算机的外部设备。A.
打印机，鼠标和辅助存储器
B.
键盘，光盘和RAM
C.
ROM，硬盘和显示器
D.
主存储器，硬盘和显示器
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举一反三
【简答题】Mr. Brown wrote the words down on _________.
【单选题】The US biodefence research is particularly controversial because of the sheer ______ of the effort.
A.
latitude
B.
magnitude
C.
aptitude
D.
attitude
【简答题】In the text Got My B.A, by Sheer Luck, the author thought he got one chance in a million because
【单选题】The ordinary family in colonial North America was primarily concerned with sheer physical survival and beyond that, is own economic prosperity. Thus, children were valued in terms of their productivit...
A.
The Place of Children in United States Society
B.
The Children of Colonial North American
C.
The Development of Cultural Values
D.
The Child as a Utilitarian Organism
【单选题】I am _____, I am an English boy. [ ]
A.
John Brown
B.
Brown John
C.
Gina Green
D.
Green Gina
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