外研版高中英语必修三Module 4 Sandstorms in Asia Reading and Vocabulary课件（19张PPT）

(共19张PPT)
Why the trees were planted in these areas
Sandstorms in Asia
Learning aims

1.Help students master some important
words and phrases,improve students’
reading skill.


2.Enable students to know sandstorms in
Asia .
3.Make students understand the situation of
sandstorms improve students’ awareness
of protecting environment.
Pre-reading Look at these statements
and decide which one is false.
The meaning of some words.
dig
[diɡ]
v. 挖掘
blow [bl ]
动
prevent [pri'v nt] v. 妨碍 , 制止
v.( 风 ) 吹 , 吹
region ['ri d ( )n]
n. 地区 , 区域
the Pacific Ocean [p 'sifik ' n] n. 太平洋
A.the description of sandstorms
B.the causes of sandstorms
C.a major disaster in Asia
D.the effects of sandstorms
E.the government's measures
F.the forecast and suggestions
2.This passage can be divided into three parts, can
you give the main idea of each part
Part I
Sandstorm is a_m_a_j_o_r_ _d_is_a_s_t_er_
in _A__s i_a_for centuries.
(para 1)
description
Part II
c_____
ause
(para2-5__)the
of sandstorm
i_n_f _l u_ e_n_ c_e_
suggestion
Part lll
(para6__)
Measures to prevent sandstorm:
__p_la_n__t i_n_g_t_r_e_e_s_
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 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
2. Read the passage carefully and com
plete the following chart.
Sandstorms are 1.
_________________________
Definition strong, dry winds that carry
__________.
sand
Sandstorms
in Asia
The main Central Asia, North
places where America, 2.
sandstorms ________________________
Central Africa and Australia
frequently
occurred
Sandstorms in China
※ Sandstorms begin in
desert areas and have
increased as a result of 3.
_____________ these years.
desertification
※ In Beijing the storms
Sandstorms Something sometimes continue all day
and the 4. _________ makes
in Asia about the
sandstorm
thick dust
traffic move very slowly.
※ Sometimes the strength of
the storm is 5. __________,
and it’s difficulstutorpbrriesiantghe.
s in China
Sandstorms in China
※6. ________________
A mass campaign
has been started to help
solve it
※the government has
already planted 7.
___________________
Sandstorms
in Asia
Ways to solve
the problem
more than 30 billion
trees
※the government plans
to 8. _______________
continue planting
for the next five years.
What should we do to protect the
environment of Shuhe park
Homework
Collect more information on Internet
about one of the problems that
caused by sandstorm.
Thank you