登录
C
训练4 体裁:说明文 主题:动物保护 难度: ★★★★★ 建议用时: 9 min 正确率: /5
①Hawaii has many special birds. Honeycreepers are one kind of them. These birds live only in Hawaii—you can't find them anywhere else in the world! Long ago, there were over 50 kinds of honeycreepers, and they made their homes in the forests across the islands. But now, only 17 kinds are left, and they are in great danger. The biggest problem for these birds is a sickness called avian malaria. Mosquitoes(蚊子) carry this sickness and spread it to the birds when they bite(咬) them.
②Before the 1800s, there were no mosquitoes in Hawaii at all. When mosquitoes arrived here, the birds started getting sick and dying quickly. To stay alive, some honeycreepers flew higher into the mountain forests—they became the birds' safe places. That's because it was too cold there for mosquitoes to live.
③But the weather is getting warmer now because of climate change. With warmer air, mosquitoes can fly higher too. They are getting to the birds' last safe homes in the mountain forests. Even one bite from a mosquito can kill a honeycreeper!
④In 2016, scientists had a smart idea to save the birds. They started putting special mosquitoes in the mountain forests. Sounds like a bad idea, right? In fact, they are all special male(雄性) mosquitoes. They don't bite birds or spread sickness. When female(雌性) mosquitoes have babies with them, the eggs can't grow into new mosquitoes. Slowly, this will make the number of mosquitoes become smaller.
⑤In 2023, to put more of these special male mosquitoes over larger areas, scientists thought of another way. They used planes. But planes cost a lot of money and are not very safe to use in high mountain areas. So now, they use drones(无人机) instead. Drones are cheap and they can get to the mountain forests easily. Scientists hope this clever way will help save honeycreepers.
1. What is the biggest problem for honeycreepers in Hawaii?
A. Food. B. Animals. C. Sickness. D. Weather.
2. What makes the number of mosquitoes become smaller?
A. Female mosquitoes can't have eggs.
B. No new mosquitoes come from the eggs.
C. Male mosquitoes bite female mosquitoes.
D. Scientists put female mosquitoes over larger areas.
3. Which of the following is TRUE according to the passage?
A. Scientists plan to save honeycreepers with planes.
B. Over 50 kinds of honeycreepers are in danger now.
C. Climate change makes the mountains too cold for the birds.
D. Scientists use drones because they cost little and work well.
4. 新趋势·篇章结构 Which is the structure of the passage? ➤➤ 篇章结构题解题策略见 P60 重点精讲
A. ①//②③④//⑤ B. ①②//③//④⑤ C. ①②③//④//⑤ D. ①//②③//④⑤
5. What's the best title for this article?
A. Honeycreepers in Danger B. A New Use for Drones in Hawaii
C. Special Mosquitoes in Hawaii D. Scientists' Way to Save Honeycreepers
训练4 体裁:说明文 主题:动物保护 难度: ★★★★★ 建议用时: 9 min 正确率: /5
①Hawaii has many special birds. Honeycreepers are one kind of them. These birds live only in Hawaii—you can't find them anywhere else in the world! Long ago, there were over 50 kinds of honeycreepers, and they made their homes in the forests across the islands. But now, only 17 kinds are left, and they are in great danger. The biggest problem for these birds is a sickness called avian malaria. Mosquitoes(蚊子) carry this sickness and spread it to the birds when they bite(咬) them.
②Before the 1800s, there were no mosquitoes in Hawaii at all. When mosquitoes arrived here, the birds started getting sick and dying quickly. To stay alive, some honeycreepers flew higher into the mountain forests—they became the birds' safe places. That's because it was too cold there for mosquitoes to live.
③But the weather is getting warmer now because of climate change. With warmer air, mosquitoes can fly higher too. They are getting to the birds' last safe homes in the mountain forests. Even one bite from a mosquito can kill a honeycreeper!
④In 2016, scientists had a smart idea to save the birds. They started putting special mosquitoes in the mountain forests. Sounds like a bad idea, right? In fact, they are all special male(雄性) mosquitoes. They don't bite birds or spread sickness. When female(雌性) mosquitoes have babies with them, the eggs can't grow into new mosquitoes. Slowly, this will make the number of mosquitoes become smaller.
⑤In 2023, to put more of these special male mosquitoes over larger areas, scientists thought of another way. They used planes. But planes cost a lot of money and are not very safe to use in high mountain areas. So now, they use drones(无人机) instead. Drones are cheap and they can get to the mountain forests easily. Scientists hope this clever way will help save honeycreepers.
1. What is the biggest problem for honeycreepers in Hawaii?
A. Food. B. Animals. C. Sickness. D. Weather.
2. What makes the number of mosquitoes become smaller?
A. Female mosquitoes can't have eggs.
B. No new mosquitoes come from the eggs.
C. Male mosquitoes bite female mosquitoes.
D. Scientists put female mosquitoes over larger areas.
3. Which of the following is TRUE according to the passage?
A. Scientists plan to save honeycreepers with planes.
B. Over 50 kinds of honeycreepers are in danger now.
C. Climate change makes the mountains too cold for the birds.
D. Scientists use drones because they cost little and work well.
4. 新趋势·篇章结构 Which is the structure of the passage? ➤➤ 篇章结构题解题策略见 P60 重点精讲
A. ①//②③④//⑤ B. ①②//③//④⑤ C. ①②③//④//⑤ D. ①//②③//④⑤
5. What's the best title for this article?
A. Honeycreepers in Danger B. A New Use for Drones in Hawaii
C. Special Mosquitoes in Hawaii D. Scientists' Way to Save Honeycreepers
答案
【语篇解读】本文是一篇说明文。文章介绍了夏威夷珍稀鸟类蜜旋木雀面临的生存危机，以及科学家借助特殊蚊子和无人机展开的拯救措施。
1. C 【解析】细节理解题。根据“The biggest problem for these birds is a sickness called avian malaria.”可知，蜜旋木雀面临的最大问题是名为禽疟疾的疾病。故选 C。
2. B 【解析】细节理解题。根据“When female mosquitoes have babies with them, the eggs can't grow into new mosquitoes. Slowly, this will make the number of mosquitoes become smaller.”可知，雌雄蚊子交配后产下的卵无法发育成新蚊子，使得蚊子数量减少。故选 B。
3. D 【解析】细节理解题。根据“But planes cost a lot of money and are not very safe to use in high mountain areas. So now, they use drones instead. Drones are cheap and they can get to the mountain forests easily.”可知，科学家选用无人机是因为其成本低且能顺利抵达山林区域。故选 D。
4. D 【解析】篇章结构题。根据文章内容可知，第一段介绍蜜旋木雀的基本情况与生存危机，第二段和第三段分析危机产生的原因，第四段和第五段讲述科学家的拯救方法。故选 D。
5. D 【解析】标题归纳题。通读全文可知，全文围绕蜜旋木雀的濒危处境，以及科学家对应的一系列保护方案展开叙述，最佳标题为“科学家拯救蜜旋木雀的方法”。故选 D。
1. C 【解析】细节理解题。根据“The biggest problem for these birds is a sickness called avian malaria.”可知，蜜旋木雀面临的最大问题是名为禽疟疾的疾病。故选 C。
2. B 【解析】细节理解题。根据“When female mosquitoes have babies with them, the eggs can't grow into new mosquitoes. Slowly, this will make the number of mosquitoes become smaller.”可知，雌雄蚊子交配后产下的卵无法发育成新蚊子，使得蚊子数量减少。故选 B。
3. D 【解析】细节理解题。根据“But planes cost a lot of money and are not very safe to use in high mountain areas. So now, they use drones instead. Drones are cheap and they can get to the mountain forests easily.”可知，科学家选用无人机是因为其成本低且能顺利抵达山林区域。故选 D。
4. D 【解析】篇章结构题。根据文章内容可知，第一段介绍蜜旋木雀的基本情况与生存危机，第二段和第三段分析危机产生的原因，第四段和第五段讲述科学家的拯救方法。故选 D。
5. D 【解析】标题归纳题。通读全文可知，全文围绕蜜旋木雀的濒危处境，以及科学家对应的一系列保护方案展开叙述，最佳标题为“科学家拯救蜜旋木雀的方法”。故选 D。
解析
【分析】
1. 第1题是细节理解题，需定位原文中关于蜜旋木雀最大问题的描述，匹配对应选项；
2. 第2题是细节理解题，需找到原文中导致蚊子数量减少的原因，核对选项与原文表述；
3. 第3题是细节理解题，需逐一将选项与原文内容比对，判断正误；
4. 第4题是篇章结构题，需梳理各段落核心内容，划分结构层次；
5. 第5题是标题归纳题，需把握全文主旨，提炼最贴合的标题。
【解析】
1. 细节理解题：根据原文第①段“The biggest problem for these birds is a sickness called avian malaria.”可知，蜜旋木雀面临的最大问题是疾病，故选C。
2. 细节理解题：根据原文第④段“When female mosquitoes have babies with them, the eggs can't grow into new mosquitoes. Slowly, this will make the number of mosquitoes become smaller.”可知，蚊子数量减少是因为卵无法发育成新蚊子，故选B。
3. 细节理解题：根据原文第⑤段“But planes cost a lot of money and are not very safe to use in high mountain areas. So now, they use drones instead. Drones are cheap and they can get to the mountain forests easily.”可知，科学家用无人机是因为成本低且易抵达山林，D项正确；A项未提及计划用飞机，B项是过去的数量，C项气候变暖让山更暖而非更冷，均错误，故选D。
4. 篇章结构题：第①段介绍蜜旋木雀的基本情况与生存危机；第②③段分析危机产生的原因；第④⑤段讲述科学家的拯救方法，结构为①//②③//④⑤，故选D。
5. 标题归纳题：全文围绕蜜旋木雀的濒危处境及科学家的拯救措施展开，核心是科学家拯救蜜旋木雀的方法，故选D。
【答案】
1. C 2. B 3. D 4. D 5. D
【知识点】
阅读理解细节理解题、阅读理解篇章结构题、阅读理解标题归纳题
【点评】
本文是动物保护主题的说明文，围绕夏威夷蜜旋木雀的生存危机及科学家的拯救方案展开，涵盖多种常见阅读题型，考查学生的信息定位、篇章分析和主旨归纳能力，符合初中英语阅读理解的考查方向。
【难度系数】
0.4
1. 第1题是细节理解题，需定位原文中关于蜜旋木雀最大问题的描述，匹配对应选项；
2. 第2题是细节理解题，需找到原文中导致蚊子数量减少的原因，核对选项与原文表述；
3. 第3题是细节理解题，需逐一将选项与原文内容比对，判断正误；
4. 第4题是篇章结构题，需梳理各段落核心内容，划分结构层次；
5. 第5题是标题归纳题，需把握全文主旨，提炼最贴合的标题。
【解析】
1. 细节理解题：根据原文第①段“The biggest problem for these birds is a sickness called avian malaria.”可知，蜜旋木雀面临的最大问题是疾病，故选C。
2. 细节理解题：根据原文第④段“When female mosquitoes have babies with them, the eggs can't grow into new mosquitoes. Slowly, this will make the number of mosquitoes become smaller.”可知，蚊子数量减少是因为卵无法发育成新蚊子，故选B。
3. 细节理解题：根据原文第⑤段“But planes cost a lot of money and are not very safe to use in high mountain areas. So now, they use drones instead. Drones are cheap and they can get to the mountain forests easily.”可知，科学家用无人机是因为成本低且易抵达山林，D项正确；A项未提及计划用飞机，B项是过去的数量，C项气候变暖让山更暖而非更冷，均错误，故选D。
4. 篇章结构题：第①段介绍蜜旋木雀的基本情况与生存危机；第②③段分析危机产生的原因；第④⑤段讲述科学家的拯救方法，结构为①//②③//④⑤，故选D。
5. 标题归纳题：全文围绕蜜旋木雀的濒危处境及科学家的拯救措施展开，核心是科学家拯救蜜旋木雀的方法，故选D。
【答案】
1. C 2. B 3. D 4. D 5. D
【知识点】
阅读理解细节理解题、阅读理解篇章结构题、阅读理解标题归纳题
【点评】
本文是动物保护主题的说明文，围绕夏威夷蜜旋木雀的生存危机及科学家的拯救方案展开，涵盖多种常见阅读题型，考查学生的信息定位、篇章分析和主旨归纳能力，符合初中英语阅读理解的考查方向。
【难度系数】
0.4
