As of 2005， China already has 31 natural landscape and historical sites have been declared as a world cultural heritage， when we are immersed in the world with joy and pride to share these， when almost no one stopped to think about those of us the future of the world's As we know， thanks to its vast territory of China， it is such a vast territory that she has many different types of climatic conditions， only gave birth to the rich and colorful Chinese However， the benefits will also have a negative role， the Dunhuang Mogao Grottoes is one such For thousands of years， our forefathers exhausted their life time in this great and deep caves， the knowledge and wisdom with brush condensate cast in each side of the wall， hoping that knowledge and wisdom to be At that time， who had thought that one daythese huge and magnificent works will be damage to the forces of Mogao Grottoes is located in China's north-west， to connect the Eurasian continent in the Silk Road Trail， is a long road that the largest Despite a hundred years ago it had been stolen， but it damaged the biggest reason is that continental climate brought about by the Mongolia by the North to the high-pressure effects of climate Dunhuang region perennial drought， sandstorms frequent， annual precipitation is only more than 40 millimeters， while the annual evaporation is as high as more than 3 thousand millimeters， up to several thousand years of time， our Mogao Grottoes has been frequently attacked by the dust storms， coupled with long-term droughts， earthquakes and rain erosion of the outer wall of a cave once eroded， constantly To make matters worse， cave murals have begun to change color， from A， crisp and even off From the 20th century， the beginning of the 40's， the Chinese people began to have a conscious act together to protect our great historical First， people have been built in the cliff face sand wall， but have little effect; later tried to dig anti-Shagou， soon to be filled In recent years， we finally found the sand and sand control can be a good First of all， we in the sand and grass， the grass all the sand box can firmly fixed in place， after two kilometers to create a shelter belts， so that the effective regulation of regional Scientists said that in this way can prevent nearly 80% of the sand into the Mogao In the protection of our precious world cultural heritage， we really made some encouraging progress， but it should not only be a temporary rescue These factors brought about by natural hazards， will no doubtcontinue， threats still exist for the Mogao Grottoes， for which efforts also need to last forever， generation after Dear friends， let us join hands together to protect our splendid ancient We may also slightly younger， but as long as we have a firm belief， jewels will shine Our spirit will spread from one person to another person
On Culture「谈文化」 The way of life that a group of people builds up over a long period of time becomes the people's Culture includes the people's values and beliefs as well as their technical Some aspects of culture are learned in a formal setting， such as a school， while other aspects are learned informally in the process of day-to-day A culture is always Changes in s culture often come about by borrowing form another culture and by To enrich the culture of our nation， we are constantly adapting new inventions and new ideas into our way of
写作思路及要点：审清题目，确定中心，选择材料。First of all， we should pay attention to environmental 首先，我们应该重视环境污染问题。This is our first step in protecting cultural 这是我们保护文物的第一步。Secondly， we should enhance the awareness of protecting cultural relics and publicize to the public how to protect cultural 其次，我们应该增强保护文物的意识，向公众宣传如何保护文物。Third， we should do something useful to protect cultural 第三，我们应该为保护文物做些有益的事情。
