Module 4 Sandstorms in Asia课件

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名称 Module 4 Sandstorms in Asia课件
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科目 英语
更新时间 2013-05-26 09:49:39

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课件17张PPT。Module 4 Sandstorms in Asiatornado
hurricaneNatural Disastersearthquake sandstorm.lightningvolcanic eruption
Sandstormgreen, beautiful, vast, fantastic, thick, etc.cut, dig, overgraze, eat up, desertfrightening, orange sky, strong wind, thick, brown-yellow dust, lights, slowmask, cycling, breath, dirty, traffic, etc.Choose the best answers 1.?Sandstorms are strong winds carrying ___ through the air.
A. dirt and mud B. rain and heat
C. sand and dust D. cloud and snow
2.What do the experts advise people to do when a sandstorm arrives in the city?
A. Don’t go out B. Don’t wear masks.
C. Don’t go to work as usual. D. Don’t ride bicycles
3.The factors that cause land to be desert are ______. A. cutting down trees. B. digging up grass
C. climate changes D. all of the above
. 4. From the last paragraph we know _____ A. the government is taking measures to prevent sandstorms. B.?the distance between the desert and the center of Beijing is only 250 kilometers. C. more than 30 million trees have been planted in Beijing . D. the government won’t plant trees any more in five years 1) The winds in a sandstorm can sometimes
_________________________
2) When Ren Jianbo was living in Inner Mongolia
_____________________________
3)?Sandstorms in China appear to have increased
because of _____________
4) Cutting down trees and digging up grass can cause
____________________________
5)?The government is planting trees to the west of
Beijing to ___________________________
6) Name the places in China and in the world where
sandstorms usually occur. Complete the sentencesprevent you from seeing the sunhe experienced a terrible sandstormdesertification.deserts and sandstorms to increaseprevent the desert coming nearerACBInner Mongolia GansuXinjiangNorth AmericaCentral AfricaAustralia Central AsiaDiscussion: What measures should we take to prevent sandstorms coming? We should plant more trees and grow more grass.
Control air and water pollution.
Build green fences along the desert.
Forecast sandstorm’s real time to prevent disaster.
Establish sandstorm data bank and collect information about sandstorms.
All countries should join hands to propose a plan in sandstorms control and prevention. World Meteorological Day (March. 23) 世界气象日 The theme: weather, climate, water,
and sustainable development
Homework: 1. Find more information about sandstorms on the internet or other books and write a short passage about sandstorms . 2. Design a poster that encourages people to protect the environment.