题目

A drunken burglar（盗贼）in the Orrell Park area of Liverpool, ended up leaping out of a window after a 10-year-old girl asked him to prove he was a superhero. The drunken thief who pretended he was Superman to stop a child raising the alarm has been caught after he leapt from the apartment building in his pants to make the girl convinced. Thief Ethan Adamson, 25, told police that he had broken into a fifth-floor flat after a drinking session, believing it was empty. But he was horrified when the owner’s 10-year-old daughter woke up while he was there. From his hospital bed, the t椭圆＝1上有一点P到左准线的距离为2.5，则P到右焦点的距离为________．