单项选择题

A．Mountain climbing.
B．Rock climbing.
C．Hiking.
D．Fishing.
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单项选择题
A．Someone spilled water on it.B．Someone lost it.C．It was made of low quality metal.D．The standard for measuring had changed,
A．Someone spilled water on it.
B．Someone lost it.
C．It was made of low quality metal.
D．The standard for measuring had changed,
问答题
Technologies are not value-neutral but are_____________ phenomena.
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