题目内容
【题目】In 1985, a lionfish was caught off the coast of Florida. Now they can be found not only in the Atlantic Ocean but also in the Gulf of Mexico and the Caribbean Sea. And they are continuing to move south. Lionfish are native to the Indian and western Pacific Oceans. So how did they end up in the Atlantic? Scientists believe some pet owners abandoned their unwanted lionfish and poured them into the sea. Little did they know the trouble their actions would cause.
The Atlantic Ocean turned out to be a comfortable home for lionfish. Their venomous spines (毒刺) protect them from sharks and other fish. Female lionfish can spawn (产卵) every few days, producing as many as 2 million eggs per year. Other big fish would have competed with lionfish for food. But overfishing has removed many of these large fish. As a result, the fish have eaten so much that they have grown to be more than three times the size of their cousins in the Pacific and Indian Oceans. “They eat mostly fish,” says Stephanie Green, a scientist at Oregon State University.
All that eating has caused great changes. Scientists have found that when lionfish are present somewhere, many other fish, which are small enough for them to eat, disappear. Some of the fish they eat are greatly missed in their habitats. For example, parrotfish eat certain plants off corals (珊瑚), which allows corals to grow better. But they are now disappearing due to lionfish.
Scientists say lionfish are here to stay. But there are ways to deal with the problem. The key, says Green, is to keep lionfish numbers in check. In Florida, divers can now go through a special training program and get certified (授予合格证书) to catch lionfish in areas where fishing is not usually allowed. And a number of restaurants have added the fish to the menu. “It’s going to be a long-term battle, but the missing sea species will come back someday,” says Green.
【1】What can we learn about lionfish?
A. Its population is growing very quickly.
B. All of them are almost the same size.
C. They eat other big fish and even sharks.
D. Most of them have gathered in the Atlantic.
【2】Parrotfish were mentioned to show lionfish’s _____.
A. loneliness B. carelessness
C. weakness D. harmfulness
【3】What is Stephanie Green’s attitude towards the battle against lionfish?
A. She doubts it.
B. She is hopeful of it.
C. She is worried about it.
D. She thinks it is against the law.
【答案】
【1】A
【2】D
【3】B
【解析】
试题分析: 本文介绍杀伤力很强的狮子鱼。Stephanie Green认为正在消失的海洋物种总有一天会回来,她对与狮子鱼的斗争充满希望。
【1】A细节理解题。根据第二段中“Female lionfish can spawn(产卵) every few days, producing as many as 2 million eggs per year.”可知,这种鱼繁殖很快。故知A项正确。 根据第二段中“As a result, the fish have eaten so much that they have grown to be more than three times the size of their cousins in the Pacific Oceans.”可知,B项错误。根据第二段中第二句话可知,狮子鱼不吃鲨鱼,故C项错误。根据第一段中第一句话可知,D项错误。
【2】D推理判断题。根据第三段的内容可知,作者拿鹦鹉鱼为例来说明狮子鱼的杀伤力有多强。故选D。
【3】B观点态度题。根据最后一段中最后一句话可知,Stephanie Green认为正在消失的海洋物种总有一天会回来,由此可得知她对与狮子鱼的斗争充满希望。故选B。