阅读下面的短文，并根据短文内容用完整的句子回答问题。
At a special ceremony（仪式）, a special award was offered
to a group of students from Changjian University on February 11,
2010. They were brave enough to help save two boys from
Changjiang Rive. All the students were there except three, who lost
their lives when they tried to save the boys.

On the afternoon of October 24, 2009, some students were     
taking a trip to Changjiang River. Suddenly two boys fell into the river. Some of them quickly jumped into the water and saved one boy. However, things didn’t go so well when they tried to save the other one. More students joined in, and, hand in hand, they formed a human wall. Finally the other boy was saved.
However, the human wall broke down and many students were swept away by the rushing water. At that moment several members of a winter swimming team nearby came to help and succeeded in saving many of the students. But the three of them, who were only 19, were nowhere to be found.
What did the students receive at the ceremony?
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Were all the students who saved the boys at the ceremony?
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What was described in the second paragraph?
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Why were many students rushed away by the water?
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What’s your idea after reading this story?
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