On the pro side of the MOOC debate, proponents believe making quality educational instruction available to the masses will provide higher quality and lower cost for many, and might easily be the best instructional model for the future.(U1-R1 Para.4)
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举一反三
【单选题】You are designing the top-level OU structure for the external domain. On which factor/s should you base the top-level OU structure?()