警方已经尽了最大努力，但对他们来说，确切地了解发生了什么事是不可能的。

He is interested in .

Saving Jesse's Arm

    At about 8 pm on July 6th, eight-year-old Jesse was playing in the sea in a National Park near Pensacola. It was the end of a perfect day at the beach with his uncle and aunt.

    Suddenly, a two-metre-long shark (鲨鱼) appeared1and it bit off Jesse's right arm from the shoulder. By the time his uncle and aunt pulled Jesse out of the water, he was unconscious (失去知觉的) and had already lost a lot of2.

    While Jesse's aunt was giving the boy the kiss of life, his uncle ran back into the sea and3the shark. Amazingly, he managed to catch the shark and pull it out of the water onto the beach, although this might sound impossible. At that moment two park workers arrived to help the family and one of them shot the shark four times in the head. Then he held open the shark's4while the other worker reached down its stomach and pulled out Jesse's arm.

    A few minutes later, a helicopter (直升机) took the boy and his arm to the nearest hospital, where Dr. lan Rogers and his team managed to5the arm to Jesse's body again. The operation lasted eleven hours. When the doctors saw Jesse's fingers go pink, they knew the operation had been a6

    After such a terrible accident nobody believes that good things will happen, but the medical team are hopeful that Jesse will be able to7his arm again in the future.

    "Although Jesse's story is terrifying, it would be not correct to think that sharks are always so dangerous. Sharks are usually harmless to humans," Dr. Ian Rogers said." However, we should be8for safety and should only swim on beaches where there are lifeguards."

没有人知道他在哪里，或者他是否还活着。