-13-Years ago people began building and using factory ships.
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-13-
Years ago people began building and using factory ships.Such ships can c_____1_____ hundreds of workers who clean and package(包装) the fish as s_____2_____ as they are caught.With the rapid d_____3_____ of science,people are catching more and more fish.But sometimes they catch too many of them,so that some types of fish have almost d_____4_____.To make sure that there will always be p_____5_____ of fish for human in the years to come,s_____6_____ all over the world are trying to keep checking on the population of fish in different parts of the world,and many government have taken or are taking measures to p_____7_____ the fishing resources.
1.____________ 2.____________ 3.____________ 4.____________
5.____________ 6.____________ 7.____________
Years ago people began building and using factory ships.Such ships can c_____1_____ hundreds of workers who clean and package(包装) the fish as s_____2_____ as they are caught.With the rapid d_____3_____ of science,people are catching more and more fish.But sometimes they catch too many of them,so that some types of fish have almost d_____4_____.To make sure that there will always be p_____5_____ of fish for human in the years to come,s_____6_____ all over the world are trying to keep checking on the population of fish in different parts of the world,and many government have taken or are taking measures to p_____7_____ the fishing resources.
1.____________ 2.____________ 3.____________ 4.____________
5.____________ 6.____________ 7.____________
1 can carry 2 as soon as 3 development 4disappeared.5plenty 6 scientists throughout 7protect
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