To prevent such tragedies, fire fighter Eric Velez gives talks to children in his community, explaining that they should never hide during a fire.

出自-2010年12月听力原文

If you see us," Velez tells them, "don't hide

出自-2010年12月听力原文

What does the passage tell us about fire fighter Eric Velez?

出自-2010年12月听力原文

Velez gives his presentations in English and Spanish.

出自-2010年12月听力原文

Velez and other fire fighters throughout North America, who give similar presentations, will never know how many lives they save through their talks

出自-2010年12月听力原文