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例 1 .图 1所示 ,加热烧瓶中的水 ,待水沸腾时A .用木塞塞紧瓶口 ,瓶内气压升高 ,水又慢慢停止沸腾 .B .…C .…D .… .本题出自《海淀题链———解题思维能力发散训练》(东北师范大学出版社出版 )丛书中的初二物理第 1 2 6页的例 4 ,由于题的其他选项与本文无关 ,故从略了 .本
Example 1. As shown in Fig. 1, the water in the flask is heated, and when the water is boiled, A. Plug the bottle with a cork, the pressure inside the bottle rises, the water slowly stops boiling. B .... C .... D .... This question is from Example 4 of the second physics of the “Hai-Dian Title Chain—Difficulty Training of Problem-solving Ability” (published by Northeast Normal University Press) in the series of books. The other options of the title are not relevant to this article. Abbreviated.