“神七”飞船航天员专用的小分子团水具有饮用量少、在人体储留时间长、排放量少等特点

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问题:

“神七”飞船航天员专用的小分子团水具有饮用量少、在人体储留时间长、排放量少等特点.航天员一次饮用l25毫升小分子团水可维持6小时的正常水量.下列关于小分子团水说法正确的是(  )

A.水分子的化学性质被改变了

B.小分子团水中水分子停止了运动

C.小分子团水中水分子间没有间隔

D.小分子团水部分物理性质与普通水有所不同

考点:分子的定义分子的特点
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某施工单位与建设单位按《建设工程施工合同(示范文本)》签订了固定总价施工承包合同,合同工期390天,合同总价5000万元。合同中约定按建标[2003]206号文综合单价法计价程序计价,其中间接费费率为20%,规费费率为5%,取费基数为人工费与机械费之和。
施工前施工单位向工程师提交了施工组织设计和施工进度计划(图1-2)。
该工程在施工过程中出现了如下事件。
(1)因地质勘探报告不详,出现图纸中未标明的地下障碍物,处理该障碍物导致工作A持续时间延长10天,增加人工费2万元、材料费4万元、机械费3万元。
(2)基坑开挖时因边坡支撑失稳坍塌,造成工作B持续时间延长15天,增加人工费1万元、


材料费1万元、机械费2万元。
(3)因不可抗力而引起施工单位的供电设施发生火灾,使工作C持续时间延长10天,增加人工费1.5万元、其他损失费5万元。
(4)结构施工阶段因建设单位提出工程变更,导致施工单位增加人工费4万元、材料费6万元、机械费5万元,工作E持续时间延长30天。
(5)因施工期间钢材涨价而增加材料费7万元。
针对上述事件,施工单位按程序提出了工期索赔和费用索赔。

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净跨径

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Washington: The Bush administration has ________for the first time that it may be willing to ________a multinational force in Iraq to operate under the ________of the United Nations as long as ________by an American. The idea was described by Richard L. Armitage, the deputy secretary of state, as just "________" in discussions at the United Nations. It was first ________publicly last week by Kofi Annan, the United Nations’’ secretary general.Mr. Armitage’’s remarks, made ________to regional reporters and released by ________today, represent ________in course for the administration, which has until now insisted that all ________matters in Iraq remain under total American control. Allowing the United Nations ________would be intended to win the support of the Security Council for ________authorizing the ________ occupation of the country.In his remarks, Mr. Armitage ________to discuss the plans________, saying, "I don’’t think it helps to ________publicly right now." But he described the arrangement under consideration as "a multinational force________" in which "the American would be the U.N. commander."On Monday, Defense Secretary Donald H. Rumsfeld was asked whether he could ________American troops fighting_______. His answer: "I think that’’s not going to happen." But he went on to rule out only "________" meaning by the United Nations, whose troops wear blue helmets over a peacekeeping force in Iraq.

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个人劳动力供给曲线是什么样的曲线()

A.一般向后弯曲

B.向前弯曲

C.水平线

D.从右下向左上倾斜的曲线

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与压力容器和压力管道相关的安全附件定期校验、定期检修与定期检验()。

A.可以同步进行

B.不可以同步进行

C.必须同步进行

D.不能同步进行

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