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信息发布者：
finally
an
He was a governor and a water engineer./A water engineer.
Because he needed ships to send food to his army.
He burnt the rock and used water to cool it quickly.
Eight/8 years.
Hard-working.
When the drill began, the teachers told us to calm down 
first. Then, they led us to leave the classroom one by one. All the students helped each other on the 
way. At last, we reached the playground safely.
For example, we should keep ourselves away from windows or pictures on the wall.
They may fall down and hurt us. We can hide under a strong desk or table to protect ourselves.

these activities are very interesting and useful for us. We can learn a lot of knowledge 
about earthquake and how to save ourselves in an earthquake.
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