读下图回答: |
(1)法国有一条重要的马奇诺防线,工事坚固,法国派有重兵把守,但很快失去了作用。马奇诺防线是怎样失去作用的? |
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(2)概述图中反映的法国政局。 |
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(3)分析形成这种政局的原因及从中吸取的教训。 |
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