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A．English language proficiencyB．different cultural practicesC．different negotiation tasksD．the international Americanized style
A．English language proficiency
B．different cultural practices
C．different negotiation tasks
D．the international Americanized style
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America's first backbone Internet Service provider was ______.
A．EarthLink
B．MCI
C．GTE Corp
D．NSFNET
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