完型填空

　　There was one true shark story that Jack could never forget．It happened during the Second World War．A British 　　1　　, called the Nova Scotia, was going from the Red Sea to Burban in South Africa．It was 　　2　　 more than 　　3　　 South African soldiers and Italian prisoners of war．There was no 　　4　　 warship, because the danger of enemy attack seemed small．It was a long way from Europe．　　5　　 a German submarine(潜艇)had 　　6　　 the Indian Ocean．It was waiting outside Burban when the Nova Scotia appeared．

　　The submarine sent the Nova Scotia to the 　　7　　 of the sea．Many men were 　　8　　 at once．Many others were baldy hurt, and they died after a few minutes．But hundreds were 　　9　　．They were not greatly 　　10　　．The sea was calm and warm．They thought, “A ship will find us in the morning, We’ll soon be saved.” A ship did find them, but it saved only 83 men．The 　　11　　 had taken the rest．

　　Thirty-five years later, Jack spoke to one of these men．“I was on a raft,” the man said．“There were men all 　　12　　 me in the water．They were swimming, or 　　13　　 on to piece of wood．Suddenly I heard a 　　14　　．It came from a man who was a few hundred meters away from me．He threw his arms 　　15　　 the air．Then he 　　16　　 beneath the water．He never came up again．That was the beginning．The sharks had 　　17　　 the blood of the dead and the dying men．There seemed to be hundreds of them．Man after man gave a 　　18　　 shout and then disappeared．I 　　19　　 saw sharks attack men on the rafts．　　20　　 jumped right out of the water.”

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