阅读下列短文，根据短文内容填空。在未给提示词的空白处仅填写1个恰当的单词，在给出提示词的空白处用括号内所给词的正确形式填空。

A parent’s nightmare turned to relief in Florida as policemen swiftly rescued a missing five-year-old girl with autism. The local police launched a desperate search, 【小题1】 (use) air and ground efforts. Thermal imaging (热成像)【小题2】 (lead) to the discovery of her in a swampy area. A body-worn camera captured the heroic moment of her rescue. 【小题3】 policemen’s quick response, she was found unharmed. The public praised the team’s efficiency in turning 【小题4】 could have been a tragedy into a heartwarming reunion.