题目内容
Section C Directions: This section is to test your ability to comprehend short passages. You will hear a recorded passage.Man’s traditional friend in the sea has been the porpoise. But it is now endangered. Tuna fishermen threaten its existence with their __1___ fishing methods. Their method is to fish tuna by locating the porpoise because porpoises usually ___2__ the surface of the water above the tuna. Fishermen then threw their nets for the tuna. ___3__ they can catch a large number of tuna at a time. However, many porpoises are also accidentally __4___ in the nets and drowned. Tuna fishermen say they can’t avoid killing porpoises. On the other hand, conservationists say that the porpoises can be saved if fishermen are __5___ with their nets.
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