2012新课标同步导学高一英语课件：module 4《sandstorms in asia》牵手课堂（外研版全国卷ⅰ必修3）

Module 4Sandstorms in Asia亚洲沙尘暴,Desert storm：Huge cloud of sand falls on Chinese village大规模的沙尘暴袭击了青海省格尔木的一个小村庄。昏黄的沙尘铺天盖地袭来，很快整个村庄都笼罩在沙尘之中。,Like a scene from a Hollywood disaster movie，a towering cloud of sand dwarfs (使显得矮小) the rows of houses as it falls on a small village in China.Inhabitants hid inside their homes with their windows and doors locked as the dust storm swept through the region moving forward 70 feet a minute.,Day turned to night as tons of dust blocked out (挡住) the sun and reduced visibility (能见度) to around 600 feet.But suddenly the storm calmed and the milehigh cloud settled back to the earth again，leaving villagers with a major cleanup operation.,Golmud is home to 200,000 people with 140,000 living in the city centre.The new industrial city is built on a flat area close to the borders of the Gobi desert，which is the largest desert in Asia.Although its not a good place to live，tens of thousands of people have relocated there to work at the salt lakes in the region.,But the hope of a good job and lots of living space comes with a price.Every spring strong winds blow across the Gobi creating huge columns of dust and sand，which are then left nearby.The dust can cause frequent power failures，transport delays and respiratory (呼吸的) illness.,The Gobi sand even travels as far as Beijing，with nearly a million tons of sand blown into the city each year.In March,2010，Chinas capital turned orange during a particularly violent dust storm.More than a quarter of China is covered in sand with the Gobi covering northern parts of the country.,The process of desertification has been worsened by overgrazing (过度放牧)，urban expanding and an increasingly unusual climate.The Chinese Academy of Sciences estimates (估计) that the number of sandstorms has jumped sixfold in the past 50 years to two dozen a year.Around 80 percent of them occur between March and May.True (T) or False (F),1Sandstorms hit Hollywood every year.( )2When the sandstorm hit the village，people couldnt see anything.()3Golmud is close to the bo