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问题 单项选择题

阳气虚衰，气血运行不畅，血行瘀滞时的舌象表现是（）

A.全舌青紫

B.舌有紫色斑点

C.舌色淡红中泛现青紫

D.舌色淡紫而湿润

E.舌色紫红或绛紫而干枯少津

答案

参考答案：D

解答题

一条公路全长1000千米，一辆汽车8小时行了全程的40%，照这样的速度，行完全程共要几小时？
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问答题

Dear friends,
Water is essential for human health and well being. Water also helps to reduce poverty. Without water, there would be no life on this planet. Although water covers about two-thirds of the Earth’s surface, only 2.5% of the world’s water is drinkable.
Many millions of people around the world face water shortages. Many millions of children die every year from water-borne diseases. And drought regularly afflicts some of the world’s poorest countries. The world needs to respond much better. We need to increase water efficiency, especially in agriculture. We need to free women and girls from the daily chore of carrying water, often over great distances. We must involve them in decision-making on water management.
We need to make sanitation a priority. This is where progress is needed most. And we must show that water resources need not be a source of conflict. Instead, they can call for cooperation. Significant gains have been made. But a major effort is still required. That is why this year marks the beginning of the "Water for Life" Decade. Our goal is to meet the internationally agreed targets for water and sanitation by 2015, and to build the foundation for further progress in the years beyond.
This is an urgent matter of human development, and human dignity. Together, we can provide safe, clean water to all the world’ s people. The world’s water resources are our lifeline for survival, and for sustainable development in the 21st century. Together, we must manage them better.
Thank you.
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