人教版（新课程标准）必修一Unit 4 Earthquakes 课件（37张PPT）

(共37张PPT)
Unit4
A man was trapped /caught in ruins ,waiting for help.
Factories and buildings lay in ruins.
She is grateful to so many kind people.
We have all the reasons to believe Sichuan will rise in the near future.
Natural Disasters
hurricane
flood
drought
fire
sandstorm
mudflow
泥石流
volcano eruption
火山爆发
Earthquake
Natural Disasters
fire
earthquake
tsunami 海啸
typhoon
(hurricane)
drought
tornado龙卷风
volcano eruption
landslide
山体滑坡
flood
avalanche
雪崩
mudflow 泥石流
sandstorm
Do you know why an earthquake happens
San Francisco
Pacific plate
American plate
Eurasian plate
India plate
African plate
Antarctic plate
Paragraph 4

Pacific plate
North
South
West
East
American plate
Earthquake Happens
Guess:
what may happen before an earthquake
Pre-reading
The animals were _______ to sleep, such as dogs , cows, pigs, horses, and chickens
too nervous
Mice _______ the fields
Fish _______ of bowls and ponds.
jumped out
ran out of
There were ____ on the wells.
The water in the well ________.
cracks
rose and fell
People could see bright lights in the sky.
In Tangshan, in 1976.
Do you know when and where another biggest earthquake happened in China in the 20th century
A Night the Earth
Didn’t Sleep
Fast reading
How many parts can the text be divided into
What’s the main idea of each part
the main idea of each part of the passage. (use one word to describe)
Part 1: para 1
Part 2: para 2&3
Part 3: para 4
signs
damage
recovery
before the earthquake
after the earthquake
during the earthquake
Careful reading
What strange things happened before Tangshan Earthquake
Things What happened
water in the well
well walls
chickens and pigs
mice
fish
sky
sound
water pipes
rose and fell
deep cracks, smelly gas
ran out of, looking for places to hide
too nervous to eat
jumped out
bright lights
sound of planes heard even no planes
cracked and burst
: Before the earthquake
Details
1.At _____ am, the __________ earthquake of the 20th century began .
2._______ burst from holes in the ground.
3.Hard hills of the rock became rivers of ____.
4.________ covered the ground like red autumn leaves.
5.Two _______ and most of the bridges fell.
6.The railway tracks were now ________pieces of _______.
7.______ now filled the wells instead of water.
8.Water,food,and __________ were hard to get.
Para. 2-3
(During the quake)
3:42
greatest
Steam
dirt
Bricks
dams
useless
steel
Sand
electricity
Data(数据)
of the nation felt the earthquake .
A huge crack that was kilometres long and
metres wide cut across houses.
In terrible seconds a large city lay in ruins.
of the people died or were injured during the earthquake.
The number of people who were killed or injured reached more than .
All of the city’s hospitals, _ of its factories and buildings and of its homes were gone.
1/3
8
30
15
2/3
400,000
75%
90%
Para. 2-3
How the army and the rescue workers helped the people in Tangshan
The army organized teams to dig out those who were trapped and to bury those who were dead.
Miners were rescued from the coal mines.
Shelters were built for survivors whose homes had been destroyed.
☆
☆
☆
:After the earthquake
Fresh water was taken to the city.
☆
Tang shan’s new look
What shall we do if an earthquake happens
Discussion/Further-thinking
Don’t be nervous and keep calm.
Don’t try to run out of the classroom.
Protect your head by putting your bag on your head.
Sit down under your desk.
Leave the classroom after the earthquake.
Keep away from power lines,
trees,cars and buildings.
Hide in the corner of the house
1. Find more news reports about earthquake.
2. Write a piece of news about Tangshan using the information in the passage.
Homework
Wish you good luck everyday!