简述维果斯基的心理发展理论。

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问题:

简述维果斯基的心理发展理论。

考点:中学教育知识与能力(统考)中学教育知识与能力(综合练习)中学教育知识与能力(综合练习)题库
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一种商品降低5%后又提价5%,价格和原来相比没变化.______.

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随着2003年3月20日清晨的一声炮响,美国正式对伊拉克宣战。美国拥有对外宣战权的是                                                                    

A.联邦法院

B.国会

C.制宪会议

D.总统

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等底等高的圆柱和圆锥体积之差是4.6立方分米,圆柱的体积是(    )立方分米。

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接收、发放和发运区域的要求是什么?

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The owner (buyer)of a project usually has the right to direct changes to the scope of work while the project work is being accomplished. Often, the owner will orally request a change and insist that the change be initiated immediately without the normal documentation (e. g. a change order). When the change is initiated without documentation, ______ .

A) the owner assumes all responsibility for paying for the change although the owner may at a later not want the change
B) the owner assumes responsibility for one-half the cost of the change until the documentation is completed and all at the same time
C) the project manager assumes all risk for the change, if initiated, until the documentation is received
D) the project manager assumes only the risk of misinterpreting the owner’s oral change directive, while the owner assumes responsibility for paying for the request change

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