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问题 解答题

两艘军舰从相距609千米的两个港口同时相对开出，一艘军舰每小时行42千米，另一艘军舰每小时行45千米，经过几小时相遇？

答案

609÷（42+45），

=609÷87，

=7（小时）；

答：经过7小时相遇．

材料分析题

材料一：2009年9月25日，二十国集团(简称G20)第三次金融峰会在美国匹兹堡举行，就金融体系改革等一系列问题达成共识，发表了《领导人声明》：指定二十国集团成为“国际经济合作的主要平台”；承诺将新兴市场和发展中国家在国际货币基金组织的份额提高至少5%以上，决定发展中国家和转型经济体在世界银行将至少增加3%的投票权；承诺各方将共同反对贸易保护主义。

材料二：在G20第三次金融峰会上，中国国家 * * 胡 * * 发表了题为《全力促进增长，推动平衡发展>的讲话，强调要完善促进平衡发展的国际机制，推动世界银行增加发展资源、增强减贫和发展职能，敦促国际货币基金组织优先向最不发达国家提供融资支持；呼吁发达国家要切实增加对发展中国家的援助规模，坚定不移推动世界经济平衡发展；主要储备货币发行国要平衡和兼顾货币政策对国内经济和国际经济的影响。

请回答：

（1）材料一表明，针对经济全球化的影响，G20金融峰会是如何趋利避害的？

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（2）结合材料二，运用《政治生活》知识，说明我国主张“推动平衡发展”的理由。

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单项选择题

Nasreddin had a shed(棚子)behind his house. It had no lights in it. One night he went out to the shed to get his ladders(梯子)and lost his ring(戒指)there. He left the ladder, went out into the street and began to look around.
One of his friends saw him in the street outside his house, and said to him, " Hello, Nasreddin, what are you looking for"
"My ring , "answered Nasreddin. "It fell off my finger. It is a silver(银的)ring with a red stone in it." "Oh, yes. "said the friend. "I remember it. I will help you to look for it. Where did you lose it"
"In my shed."
"But why don’t you look for it there"
"Don’t be foolish! It is quite dark in my shed, how can I find my ring there Here there is light from the lamps in the street.\

Nasreddin thought he could find his ring because ______.
A. his friend would help him
B. it was dark in the shed
C. it was bright outside
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