News report-3Q5 What happened to the Philippine fisherman one day?
A. Many of his possessions were stolen
B. His house was burnt down in a fire.
C. His fishing boat got wrecked on a rock.
D. His good luck charm sank into the sea.
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News report -3Q6 What was the fishman forced to do?
A. Change his fishing locations.
B. Find a job in a travel agency.
C. Spend a few nights on a small island.
D. Sell the pearl he had kept for years.
News report-3Q7 What did the fisherman learn from the tourist agent?
A. His pearl could be displayed in a museum.
B. His monstrous pearl was extremely valuable.
C. The largest pearl in the world weighs 14 pounds.
D. A New York museum has the world's biggest pearl.
挖掘机的回转时间约占占工作循环时间的（）以上
A. 30%
B. 40%
C. 50%
D. 60%
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