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【判断题】
物质文化是指技术，即物质产品生产过程中使用的技能。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】A．National Geographic Channel. B．HBO. C．BBC. D．History Channel.
【单选题】What first brought Griffiths to the attention of National Geographic?
A.
a photo she had published in the Globe
B.
a photo that National Geographic had asked her to take for them
C.
a photo she secretly sent to National Geographic
D.
a photo of hers sent by a college friend to National Geographic
【单选题】A disadvantage of ________ departmentalization is poor communication across the different groups. A) geographic B) functional C) process D) customer
A.
geographic
B.
functional
C.
process
D.
customer
【简答题】A．National Geographic Channel. B．HBO. C．BBC. D．History Channel.
【简答题】有两个频率和初相位不同的正弦交流电压U1和U2,若它们的有效值相同，则瞬时值也相同。()
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