英语阅读和完形

When many people are worried that there are no more heroes in the modern era，two university students who lost their lives to rescue drowning children have shown that heroes still exist（存在）．

According to the Inner Mongolia Morning Post，the tragedy（悲剧） occurred on the afternoon of December 14,2002 when three school students skating on a frozen lake in Qingcheng Park in Hohhot fell through the ice into the freezing water．

More than 20 university students who happened to be near the spot immediately went to the rescue of the children．

Two children were quickly rescued，but the third died．The child's body was not found for three hours． Two of the rescuers，Liu Ye and Hao Longbiao，also died of cold and exhaustion（筋疲力尽）．

The body of Hao who took the lead in jumping into the lake was not found until the next day．

A student who was unwilling to tell his name said he and his classmates from the local college wer