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两个标明220V、100W的白炽灯泡,若分别接在250V和110V电源上,消耗的功率各是多少?
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Constructionism learning theories emphasizes ( ) of learning.
( ) is a class learning form that is beneficial for peer relationship improvement and social development.
( ) is learning that takes place in the same context in which it is applied. It emphasizes the authentic events or authentic questions.
In Jonassen’s three stage modal of knowledge acquirement, advanced knowledge acquisition through ( ).
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