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在新民主主义向社会主义过渡时期，中国民族资产阶级仍然具有的两面性是（）
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根据泡利原理，主量子数为n的电子可能选择的状态数是（）
在正立方体形的电路的每边都有一个2欧姆的电阻，则该正立方体电路上相距最远的两顶角间的电阻是（）
Distinguished leaders and guests, I am honored to be with you today to celebrate our partnership with the Beijing Organizing Committee for the 2008 Olympic Games and the International Olympic Committee. We are excited to be part of the Olympic Movement, and we’re even more excited about working together with BOCOG and the city of Beijing. If there is one quality that we share with the Olympic Games, it is the drive to be the best. And to us, that means making our customers win. And we want to see Beijing win. We want to help Beijing deliver a Green Olympics. We are the world’s leading manufacturer of energy-efficient power generation equipment and consumer products. We support energy efficiency programs around the world. Last year, our water technologies business helped companies save over 3 billion gallons of water. That’s enough water to fill over 12,000 Olympic-sized swimming pools. We want to help Beijing deliver a High-Tech Olympics. We have about 2,000 researchers in our Global Research Centers. Last year we invested more than US$4 billion in technology. And although the Olympics are going to be a great way to bring the world to Beijing, we are planning to be here long after the Olympic flame is extinguished. We are committed to Beijing and China well beyond 2008. I know that our Olympic partnership is going to strengthen the relationship that we and China have already established. We look forward to working with BOCOG and our Chinese customers to help stage a Great Olympics. Thank you.
单色光从空气进入水中（）
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