英语必修3Module 4 Sandstorms in Asia课文内容ppt课件

这是一份英语必修3Module 4 Sandstorms in Asia课文内容ppt课件，共8页。PPT课件主要包含了Module 4等内容，欢迎下载使用。

Sandstrms in Asia
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。Sand strm：Huge clud f sand falls n Chinese villageLike a scene frm a Hllywd disaster mvie，a twering clud f sand dwarfs(使显得矮小)the rws f huses as it falls n a small village in China.Inhabitants① hid inside their hmes with their windws and drs lcked as the dust strm swept thrugh the regin mving frward 70 feet a minute.
Day turned t night as tns f dust blcked ut(挡住)the sun and reduced visibility(能见度)t arund 600 feet. But suddenly the strm calmed and the mile­high clud settled back t the earth again，leaving villagers with a majr clean­up peratin.Glmud is hme t 200,000 peple with 140,000 living in the city centre.The new industrial city is built n a flat area clse t② the brders f the Gbi desert，which is the largest desert in Asia.Althugh it's nt a gd place t live，tens f thusands f peple have relcated there t wrk at the salt lakes in the regin.
But the hpe f a gd jb and lts f living space cmes with a price.Every spring strng winds blw acrss the Gbicreating huge clumns f dust and sand，which are then left nearby.The dust can cause frequent pwer failures，transprt delays and respiratry(呼吸的)illness.The Gbi sand even travels as far as③ Beijing，with nearly a millin tns f sand blwn int the city each year.In March,2010，China's capital turned range during a particularly vilent dust strm.Mre than a quarter f China is cvered in sand with the Gbi cvering nrthern parts f the cuntry.
The prcess f desertificatin④ has been wrsened by ver­grazing(过度放牧)，urban expanding and an increasingly unusual climate.The Chinese Academy f Sciences estimates(估计)that the number f sandstrms has jumped six­fld in the past 50 years t tw dzen a year.Arund 80 percent f them ccur between March and May.知识点击①居民　②距离近的　③远到　④沙漠化