观察者看到榜样受到强化而自己也受到强化,这种强化被称为_________。

观察者看到榜样受到强化而自己也受到强化,这种强化被称为_________。

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James: Dear Jessica, why don't you come on holiday with us?J

James: Dear Jessica, why don't you come on holiday with us?Jessica: __________A.

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Human language can cope with any subject whatever, and it do

Human language can cope with any subject whatever, and it does not matter how fa

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Which of the following is NOT an Irish writer?

Which of the following is NOT an Irish writer?A. George Bernard Sha B. William B

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Which of the following is NOT true, according to the passage

Which of the following is NOT true, according to the passage?A. It was the first

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