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重庆大学版英语（必修）英语5二年级《Theme B Society and Nature Our Planet Unit 4 Living Planet Reading Our Earth》优质课ppt课件
3. Cracks of an earthquake refer to cracks left by an earthquake. (震裂：地震时地面出现的裂缝。)
4. An aftershock often happens after main earthquakes.
(余震：在主地震之后发生的（小）地震。)
5. Earthquake signs refer to strange things happening before an earthquake. (地震前兆：地震发生前出现的异常现象。)
Reading Task
What kind of strange things
happened before the earthquake?
Water in the wells rose and fell
The well walls had deep cracks in them.
A smelly gas came out of wells.
The chickens and the pigs were too
nervous to eat
Mice ran out of the fields looking for places to hide
Fish jumped out of their bowls and ponds.
Some people saw bright lights in the sky.
The sounds of planes could be heard even
when no planes were in the sky.
The water pipes cracked and burst.
For three
Days
At about
3:00 am
on July28,1976
Strange things
before