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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