Question

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¡¡¡¡Big ocean fish have almost been endangered since the start of business fishing in the 1950s£®The scientists found that the number of large fish has dropped by 90 percent in the past fifty years£®The study took ten years£®The researchers collected records from fishing businesses and governments around the world£®The magazine Nature published(·¢±í)the findings£®

¡¡¡¡The scientists say the common way called longline fishing is especially harmful to large fish£®This way includes many fishing lines that are connected(Á¬½Ó)to one boat£®If these lines are joined together, they can reach one hundred kilometers£®They hold thousands of sharp metal hooks(¹³)to catch fish£®Longline fishing is especially common in the Japanese fishing industry£®Records showed that Japanese boats used to catch about ten fish for every one hundred hooks£®The study says longline fishing boats now might catch one fish per hundred hooks£®

¡¡¡¡The scientists say business fishing can destroy groups of fish much faster than in the past£®It¡¯s not the only worry that the number of large fish is becoming smaller and smaller£®

¡¡¡¡What¡¯s worse, they are smaller in size than their ancestors(×æÏÈ)£®

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Answer 1

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¡¡¡¡1£®business fishing¡¡Ï¸½ÚÀí½âÌâ¡¡ÓɵÚÒ»¶ÎµÄ¡°Big ocean fish have almost been endangered since the start of business fishing in the1950s£®¡±¿ÉµÃ³ö´ð°¸¡£

¡¡¡¡2£®is becoming¡¡Ï¸½ÚÀí½âÌâ¡¡ÓÉ×îºóÒ»¶ÎµÄ¡°It¡¯s not the only worry that the number of large fish is becoming smaller and smaller£®¡±¿ÉµÃ³ö´ð°¸¡£

¡¡¡¡3£®much fewer¡¡Ï¸½ÚÀí½âÌâ¡¡ÓɵÚÒ»¶ÎµÄ¡°Big ocean fish have almost been endangered since the start of business fishing in the1950s£®¡±¿ÉµÃ³ö´ð°¸¡£

¡¡¡¡4£®as(so)big¡¡Ï¸½ÚÀí½âÌâ¡¡ÓÉ×îºóÒ»¶ÎµÄ¡°What¡¯s worse, they are smaller in size than their ancestors(×æÏÈ)£®¡±¿ÉµÃ³ö´ð°¸¡£

¡¡¡¡5£®catch fish¡¡×ÛºÏÀí½âÌâ¡¡¸ù¾ÝÎÄÕÂÖжԲ¶Ó㷽ʽµÄ½éÉÜ¿ÉÖªlongline fishingÕâÖÖ²¶Ó㷽ʽÌرðÊʺϲ¶Óã¡£