填空题:从动机的生理基础来看,动机最佳水平应是__________程度的激活或唤起,此时对学习具有最佳效果。

题目内容:
从动机的生理基础来看,动机最佳水平应是__________程度的激活或唤起,此时对学习具有最佳效果。
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According to the passage, sea-water can be turned into fresh

According to the passage, sea-water can be turned into fresh water by(  )A.heati

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She has decided to go on a diet, but finds ________ (很难抵制冰淇淋

She has decided to go on a diet, but finds ________ (很难抵制冰淇淋的诱惑).

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When confronted with the evidence, ________ (他不得不坦白自己的罪行).

When confronted with the evidence, ________ (他不得不坦白自己的罪行).

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A.When all women go out to work.B.When family planning is en

A.When all women go out to work.B.When family planning is enforced.C.When a worl

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