课件12张PPT。Unit 4 Earthquakes
What do you think may happen before an earthquake?
Imagine your home begins to shake and you must leave it right away .You have time to take only one thing .What will you take?Why?A NIGHT THE EARTH DIDN’T SLEEPWhat are the date or numbers about?
(1)??? July 28,1976:
(2)??? more than 400,000:
(3)??? 75%:
(4)??? 90%:
(5)??? 150,000:
(6)??? 10,000:
the date on which the quake happened in Tangshanthe number of people killed or injured in the quakethe percentage of factories and buildings destroyedthe percentage of homes destroyed in the earthquakethe number of soldiers sent to Tangshan to help the rescue workersthe number of miners trapped in the quakeWhat natural signs of a coming earthquake were there?natural signsThe water in wells rose and fell.
The well walls had deep cracks.
A smelly gas came out of the cracks.
The animals(chickens and pigs)were too nervous to eat.
Mice ran out of the fields looking for places to hide.
Fish jumped out of bowls and pond.
Bright lights in the sky.
There is a great sound.
The water pipes cracked and burstTrue or False:①The Tangshan earthquake was the greatest earthquake in the 1900s.( ) ②One-third of the people died or were injured in the quake. ( ) ③The survivors had to drink milk instead of water becausethe water was polluted. ( ) ④Two quakes happened in a day in Tangshan. ( )
TFFFHow were the survivors helped after the quake? Shelters were built for them and fresh water was taken to them by train, truck and plane.Make a dialogue with your partner:
If an earthquake happens when you are sleeping in your bedroom,what would you do?
A:If an earthquake happens when you are sleeping in your bedroom,what would you do?
B:First,I would calm down.Next,I would drop to the floor and cover my head with my arms. Then, I would find a solid table and hide under it . Finally, I would hold on the table .
Thank you !