四、完形填空。
主题群:自然生态 子主题:动物保护 语篇类型:说明文 难度:★★
[2025连云港市东海县期末改编]Birds, like all wild animals, have to keep away danger every day. Do you know all birds themselves by always listening and watching out for danger? At the smallest sign of it, they will . Birds that cannot fly are often able to swim fast, or run quickly.
Some birds make themselves bigger and more dangerous by fluffing(抖松) their when they face danger. Another important protection for many birds is their . The colours of the feathers often the things around their nests(巢), making it for them to be seen. Some birds change colours with the . In winter, they are white. In summer, they are brown, like the ground.
But these can't save many birds. When people forests to build houses and factories, they destroy the homes and of birds. If the birds have nowhere to live and nothing to eat, they will die out. Another problem is that birds eat fish from polluted water and get poison(毒) into their bodies. Then they may die or cannot lay eggs. New birds can't be born.
Now people protect birds by laws to control hunting and pollution, and by teaching people to about birds rather than kill them. Hope birds can live safely.
1. A. from B. into C. with D. of
2. A. protect B. prevent C. provide D. introduce
3. A. keep away B. turn around C. fly away D. get together
4. A. look B. turn C. feel D. get
5. A. feathers B. tails C. heads D. necks
6. A. colours B. tails C. food D. places
7. A. fit B. show C. match D. miss
8. A. dangerous B. hard C. possible D. important
9. A. weather B. time C. seasons D. months
10. A. cut out B. cut down C. cut off D. cut in
11. A. plants B. babies C. food D. parents
12. A. may B. must C. should D. need
13. A. terrible B. rare C. yummy D. healthy
14. A. making B. stopping C. putting D. letting
15. A. hear B. care C. look D. listen

1. A
2. A 结合下文中的by always listening and watching out for danger可知用protect。
3. C
4. A
5. A
6. A 对许多鸟来说另一个重要的保护方法是它们的颜色。结合下文中的“The colours of the feathers often ... the things around their nests”可知应用colours。
7. C 结合语境和常识可知，鸟的羽毛的颜色经常与它们巢周围的东西相匹配，使它们很难被发现。
8. B
9. C 结合下文中的“In winter, they are white. In summer, they are brown, like the ground.”可知，有些鸟的羽毛颜色会随着季节而变色。
10. B 结合下文中的“they destroy the homes and ... of birds”可知，人们砍伐森林，应用cut down。
11. C 结合下文中的If the birds have nowhere to live and nothing to eat可知，他们破坏了鸟类的家园和食物。
12. A 另一个问题是，鸟类可能会吃污水中的鱼，将有毒物质带入体内。结合语境可知，此处是一种推测。
13. D
14. A
15. B

【分析】
首先通读全文，明确主题为鸟类的自我保护方式、面临的生存威胁及人类的保护措施。解题时需结合语境、固定搭配、词义辨析逐一分析：1题考查固定搭配；2题结合后文提示判断动词含义；3题结合会飞鸟类遇危险的反应选答案；4题考查“看起来”的表达；5题结合抖松的身体部位；6题结合后文颜色相关描述；7题考查“匹配”的词义；8题结合颜色匹配的结果；9题结合冬夏的季节属性；10题考查“砍伐”的固定短语；11题结合后文食物的提示；12题表推测的情态动词；13题结合产卵的语境；14题考查“制定法律”的固定搭配；15题考查“关心”的固定短语。
【解析】
1. 固定搭配keep away from意为“远离”，故选A；
2. 结合后文“by always listening and watching out for danger”可知此处指保护自己，protect意为“保护”，故选A；
3. 会飞的鸟遇到危险会飞走，fly away意为“飞走”，故选C；
4. look bigger意为“看起来更大”，符合语境，故选A；
5. 抖松的是羽毛，feathers意为“羽毛”，故选A；
6. 后文围绕羽毛颜色展开，此处指颜色保护，故选A；
7. match意为“匹配”，指羽毛颜色与周围环境匹配，故选C；
8. 颜色匹配使鸟难被发现，hard意为“困难的”，故选B；
9. 冬夏属于季节，故选C；
10. cut down意为“砍伐”，符合砍伐森林的语境，故选B；
11. 人类破坏鸟类的家园和食物，故选C；
12. 此处表推测，may意为“可能”，故选A；
13. 健康的蛋才能孵化新鸟，healthy意为“健康的”，故选D；
14. make laws意为“制定法律”，故选A；
15. care about意为“关心”，符合语境，故选B。
【答案】A A C A A A C B C B C A D A B
【知识点】
固定搭配、词义辨析、完形语篇理解
【点评】
本文是关于鸟类生存与保护的说明文，难度中等，需结合语境、固定搭配及词义辨析解题，考查学生的综合语言运用能力。
【难度系数】
0.5