摘要：Jack and an Australian shark expert were talking by the 26 near Sydney. They stopped on a wide sandy beach. There were 27 people there. Behind them was a small tower. There was a man at the 28 . “That’s the look-out tower, the Australian 29 . “There’s a man up there all the 30 . He never takes his eyes 31 the sea. When he sees a shark, he will 32 a warning. People will leave water when they hear the 33 . The 34 was full of people. A few 35 were a long way from the beach. “Those people right out there have to be 36 , the Australian said. “Sharks seldom hurt crowds. “Can the man in the tower really see a 37 from far away? “Oh, yes, he can, it’s not 38 surprising. Some sharks are very big. They’re at least three metres 39 . And the water is clear on these beaches. Of course, it is very dangerous to swim when it is 40 , or when the water is not clear. ( ) 26. A. sea B. land C. earth D. ground ( ) 27. A. a lot of B. any C. no D. few ( ) 28. A. beginning B. top C. desk D. table ( ) 29. A. told B. spoke C. said D. talked ( ) 30. A. place B. time C. space D. study ( ) 31. A. from B. of C. off D. into ( ) 32. A. get B. receive C. send D. draw ( ) 33. A. song B. picture C. smell D. warning ( ) 34. A. water B. sand C. rock D. stone ( ) 35. A. singers B. dancers C. teachers D. swimmers ( ) 36. A. careless B. careful C. clever D. strong ( ) 37. A. shark B. boat C. ship D. fisherman ( ) 38. A. quickly B. fast C. really D. much ( ) 39. A. long B. deep C. tall D. high ( ) 40. A. bright B. clear C. dark D. sunny

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