题目内容

In the U. K., metal detectorists()

A. are rewarded for whatever they find
B. are forced to obey tough regulations
C. may keep what they have discovered
D. should report whatever they discover

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打开“开始”菜单的快捷键是_____。

A. Ctrl+Space
B. Ctrl+Alt
Ctrl+F4
D. Ctrl+Esc

What do we know about Roger Mintey?

A. He produces metal detectors
B. He owns a manufacturing firm
C. He works for the British Museum
D. He seeks buried treasure as a hobby

世界上发明的第一台电子数字计算机是_____。

A. EDVAC
B. ENIAC
C. EDSAS
D. UNIVAC

二进制数10110001相对应的十进制数应该是_____。

A. 123
B. 167
C. 179
D. 177

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