Its difficult to imagine the sea ever running out of fish. Its so vast, so deep, so (S1) ________. Unfortunately, its not bottomless. Over-fishing, (S2) ________ with destructive fishing practices, is killing off the fish and (S3) ________ their environment.
Destroy the fish, and you destroy the fishermens means of living. At least 60 (S4) ________ of the worlds commercially important fish (S5) ________ are already over-fished, or fished to the limit. As a result, governments have had to close down some areas of sea to commercial fishing.
Big, high-tech fleets (S6) ________ that everything in their path is pulled out of water. Anything too small, or the wrong thing, is thrown back either dead or dying. Thats an (S7) ________ of more than 20 million metric tons every year. (S8) ________.
In some parts of the world, for every kilogram of prawns (对虾) caught, up to 15 kilograms of unsuspecting fish and other marine wildlife die, simply for being in the wrong place at the wrong time.
True, (S9) ________, then catch them in a way that doesnt kill other innocent sea life.
2003年12月大学英语四级听力答案
Part I
1. B
2. D
3. D
4. B
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