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Ocean food plays a very important part in our food supply. Not so long ago, the world’s oceans were filled with different types of fish. Now, a large increase in global overfishing has threatened that supply.

According to the United Nations Food and Agriculture Organization, 90 percent of the world’s fisheries (渔场) are either being fully exploited (开发), or are at risk of being closed down.

With fish supplies running out at home, fishermen are traveling further to find their catch. Frequently, fishermen are crossing over into other countries. As fish supplies closer to their homeland’s shores are decreasing fishermen cross borders to find fish.

Overfishing can be found everywhere, from Mexican fishing boats off the US coast of Florida to Russian fishing boats in the western Bering Sea. However, the effect is felt the strongest in the South China Sea.

On the other side of the world, West Africa is now seeing malign effects of overfishing. For coastal African countries, such as Senegal, the fishing industry is a large part of the national economy. The World Bank reports nearly 20 percent of the Senegalese are working in the fishing industry. Rashid Sumaila is the Director of Fisheries Economic Research at the University of British Columbia. He says communities that depend on fish for income and food, like Senegal, are now at risk.

1.Why do fishermen cross borders to catch fish?

A.Because they want to protect the environment.

B.Because they want to enjoy the overseas scenery.

C.Because fish supplies in their countries are decreasing.

D.Because fishing is not allowed in their own countries.

2.Where can the most serious overfishing be seen according to the text?

A.In Russia. B.In the South China Sea.

C.Off the US coast of Florida. D.In the western Bering Sea.

3.What does the underlined word “malign” in the last paragraph probably mean?

A.Harmful. B.Satisfying.

C.Hopeful. D.Beneficial.

4.What can be inferred from the last paragraph?

A.Most people in Africa will be out of work.

B.The World Bank will lend money to fishermen.

C.Rashid Sumaila is unconcerned about overfishing.

D.Overfishing has some bad effects on African people.

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