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只有在电子显微镜下观察到的细菌结构是
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About 3.5billionfans watch the sport. During important international ______, soccer has the highest televisionaudiencein the world.
Soccer is not a new sport._____aren’t sure exactly where or when the sport was invented.
Five hundred years ago in Europe, large ___________games in the street were common. Sometimes people were hurt or killed playing these games.
They organized the different games into one game with _______rules.
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