高中英语 Unit3《Travel journal》课件 新人教版必修1.ppt

1、China to Further Co-op with Mekong River CountriesThe Mekong River(known in Tibet as Dza-chu, China as the Lancang River and Thailand as Mae Namkhong), is the longest river in Southeast Asia, running 4, 800 kilometers through six countries(China, Burma, Thailand, Cambodia, Lao PDR and Vietnam). It i

2、s thelifeblood of Southeast Asia. The Mekong River Basin contains all the streams and rivers that flow into the Mekong River. From its headwaters thousands of meters high on the Tibetan Plateau, it flows through six distinct geographical regions, each with characteristic features of elevation, topog

3、raphy(地形学 ) and land cover. The Mekong River has the beautiful natural scenery and rich resources in the world. The most abundant resources are water and biodiversity（生物多样性） . On average, 15, 000 cubic meters of water passes by every second. This water nourishes（滋养） large tracts of forest and wetlan

4、ds which produce building materials, medicines and food, provides habitats for thousands of species of plants and animals and supports an inland capture fishery with an estimated commercial value of US 1. 45 billiondollars per year. Known mineral resources include tin, copper, iron ore, natural gas,

5、 potash and gem stones. The river has become a tourist route and major transport channel for oil, production and other commodities between China and members of the Association of Southeast Asian Nations (ASEAN). In the past five years, the river has carried up to two million tons of goods, represent

6、ing trade worth more than 10 billion yuan (1. 28 billion US dollars). However, because of the worse changes of the climate, Mekong also has witnessed the lowest water level in the past 50 years. The MRC(湄公河委员会 )Summit has drawn a lot of attention since southwest China and some areas of the four MRCm

7、embersCambodia, Laos, Thailand and Vietnamhave been suffering severe drought since 2009. Here, the annual dry season started much earlier than usual, dropping the Mekong to its lowest in decades and affecting millions of people living along the river. “We pump drinking water from the Mekong River bu

8、t now the water level is extremely low. Agriculture is bad and another impact is on fishing. There are no fish, ” one farmer said. Many villagers suspect Chinas dams upstream, which contributes to the record low water level. The dams have been built to generate electricity. Chinese Vice Foreign Mini

9、ster Song Tao said that China is ready to strengthen the cooperation with the downstream Mekong countries in drought-and-flood relief and technique sharing, as well as mutual hydrographic(水文学 ) experts visit. He also proposed pushing forward the joint work on disaster relief, including flood reporti

10、ng and flood /drought relief training; cooperating and exchanging on hydropower development, as well as arranging more technique sharing and mutual visits of the related officials and experts. The runoff of the Mekong River mainly comes from the middle-and-lower Mekong basin, amounting to 86. 5 percent. Healso quoted a statement by MRC last month as saying that the water level decline of the Lancang-Mekong main stem is contributed by an early ending of rain season in 2009, a low monsoon（季候风） rainfall and an extreme lack of dry-season rainfall.