Module 4 Sandstorms in Asia Reading and vocabulary 课件（32张PPT）

课件32张PPT。 Sandstorm In AsiaHave you ever experienced a real sandstorm?
Let’s see a sandstorm that happened in China together.
Introduction How did you feel when watching the video?
sandstorm It is a ________ . It is very__________.sandstormfrighteningPre-reading Ｗhat is happening?There is a sandstorm blowing. What are the cyclists and the walkers wearing and why? They're wearing masks, glasses, hoods(风帽)
to protect themselves.What do you think happen to traffic in this situation? Why?People drive slowly. Because it is not clear to see everything.Fast-readingRead the passage quickly and match the main ideas with each paragraph.Match the main idea with each paragraph.Para.1
Para.2
Para.3
Para.4
Para.5
Para.6A. the description of sandstorms
B. the effects of sandstorms to Beijing.
C. the measures the government takes to prevent sandstorms
D. Sandstorms have been a major disaster.
E. the advice the weather experts give to people
F. the causes of the sandstorms in China.descriptioneffectsmeasuresa major disasteradvicecauses Careful-readingRead the passage again carefully and answer some questions. Part1 (Para.1) What’s the fun_ction(功能) of the first paragraph?A. To lead in the topic of this passage.
B. To tell us what sandstorms are.
C. To tell us where the sandstorms occur. 1. What are sandstorms?
2. Where do sandstorms occur often?
3. Who experienced a sandstorm when he
was young and what’s his feeling?
4. Why have sandstorms increased in China?
5. When sandstorms happen in Beijing,
what’s the weather like?Part2 (Para.2-4)WhatWhereWhoWhyWhenstrongdrywindscarry sand1.What are sandstorms?sandstormsare2. Where do the sandstorms often occur?Central AsiaNorth AmericaCentral AfricaAustralia 4. Why have sandstorms increased in China?Sandstorms appear to have increased in recent years as a result of desertification.3. Who experienced a sandstorm when
he was young and what was his feeling?desertification
(沙漠化)Ren Jianbo experienced a sandstorm when he was young. And he thought that……….. When __________ happen , citizens wake up to an orange _____ and strong ______ that cover the city in a thick, brown-yellowed _____. dustskywindssandstorms5. When sandstorms happen in Beijing,
what is the weather like?Traffic ?Part 3 (para.5-6)1.What’s the weather experts’ advice?
They advise people not to go out.2.What is the government doing to
control sandstorms?The government is planting trees.Post-reading I. Read the passage carefully and
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 the next five years
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 above4. From the last paragraph we know ____.
A. the government won’t plant trees any more in five years
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 is taking measures to
prevent sandstorms What are the causes of sandstorms?ThinkingThe causes of sandstorms1. desertification(沙漠化);
2. climate changes;
3. cutting down trees and digging up grass;
4. improper use of land;
5. high temperature and little rain;
6. the destruction of environment;
7. the growing population of the world… Discussion What can we do to protect our earth?Task: Work in groups of four and
make a list of your suggestionsCause:
Desertification
Cut down trees
Dig up grasses
Climate change
?Solution:recyclesave waterplant trees
save electricityride bikesuse less paperSummary:1. We should plant more trees and grow
more grass.
2. Control air and water pollution.
3. Build green fences along the desert.
4. Forecast sandstorm’s real time to
prevent disaster.
5. Establish sandstorm data bank and collect
information about sandstorms.
6. All countries should join hands to propose a plan
in sandstorms control and prevention.
Solution:Homework:Find more information about presentenvironmental situation on the internet or other books.L Join together and save it for our future.
We have only one earth