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搜题
【单选题】
若某表满足1NF,且其所有属性合起来组成主,则一定还满足范式
A.
只有2NF
B.
只有3NF
C.
2NF和3NF
D.
没有
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【判断题】由曲线【图片】、直线【图片】及【图片】轴围成的平面图形绕【图片】轴旋转而成的立体的体积是无穷大.
A.
正确
B.
错误
【判断题】断路器手车、压互手车必须在“试验位置”时,才能插上和解除移动式手车断路器的二次插头。()
A.
正确
B.
错误
【判断题】由曲线【图片】、直线【图片】、【图片】轴及【图片】轴围成图形的面积【图片】.
A.
正确
B.
错误
【单选题】_____Mr. Shane can't find the magazines he wants at the local library, he is going tc order them himself through the Internet.
A.
Whereas
B.
Although
C.
So that
D.
If
【简答题】B SYDNEY: As they sat sharing sweets beside a swimming pool in 1999. Shane Gould and Jessicah Schipper were simply getting along well, chatting about sport, life and anything else that came up. Yet in...
【判断题】某批货物总质量为3.6吨,可以按零单货物发运。A. 对 B. 错
A.
正确
B.
错误
【判断题】由曲线【图片】、直线【图片】及【图片】轴围成图形的面积【图片】
A.
正确
B.
错误
【单选题】In the least substantial reason for a knife fight, who wounded his friend?
A.
Shane Arthur Wilson.
B.
Emmanuel Nieves.
C.
Erik Saporito.
D.
One astronaut.
【单选题】How does the woman suggest contacting Shane?
A.
By e-mailing him
B.
By going to speak with him
C.
By calling the downtown office
D.
By contacting him on his cellular phone
【单选题】很多ICP和政府部门的网页都是以( )为整体造型。
A.
矩形
B.
圆形
C.
三角形
D.
菱形
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