高一英语课件 Unit3《Travel journal》 (新人教版必修1)

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
China to Further Co-op with Mekong River Countries
The 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 is the
lifeblood 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
commercial value of US 1. 45 billion
dollars per year. Known mineral resources include tin, copper, iron ore, natural gas, potash and gem stones. The river has become a tourist route and major transport channel for oil, production and other commodities between
extremely low. Agriculture is bad and another impact is on
fishபைடு நூலகம்ng. There are no fish, ” one farmer said.
Many villagers suspect China’s dams upstream, which contributes to the record low water level. The dams have been built to generate electricity. Chinese Vice Foreign
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
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, representing trade
Minister 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
MRCmembers—Cambodia, Laos, Thailand and Vietnam—
have been suffering severe drought since 2009. Here, the annual dry season started much earlier than usual,
regions,
each with characteristic features of elevation,
topography(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 wetlands which
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 but now the water level is