Ⅳ. Complete the passage with the correct forms of the words in the box. Then answer the questions.
protect connection store planet play a part without action pollen human for this reason
You may not realize it, but some tiny animals are really amazing. Ants are one of the best examples.
Ants are known for their hard work and strong 1. with each other. They live in large groups called colonies(蚁巢), where they work together as 2. do. Each ant has its own job. Some of them 3. food for the colony, while others take care of the young. Though ants are small, they can carry things much heavier than themselves.
Ants play an important role on our 4. . Believe it or not, the earth would be a very different place 5. ants. For one thing, ants help to take 6. from one flower to another as they move. For another, they break down the leaves and flowers, which helps to enrich the earth. These 7. help plants grow.
Ants remind us that even the tiniest living thing can 8. in keeping our world healthy and balanced. 9. , we should be thankful for their hard work. It is also our duty to 10. them.
()11. What can we learn about ants? Choose TWO answers.
A. They usually live in small groups.
B. They help each other to look after babies.
C. They can move things heavier than themselves.
D. There will be more flowers on earth without ants.
()12. Which can be the best title of the passage?
A. Life Stories of Ants
B. Different Kinds of Ants
C. Ants: The Smartest Animals
D. The Ant: Tiny but Amazing

1. connection
2. humans
3. store
4. planet
5. without
6. pollen
7. actions
8. play a part
9. For this reason
10. protect
11. BC
12. D

【分析】
本题分为选词填空和阅读理解选择题两部分。解题思路：1. 选词填空：先明确方框内单词的含义、词性及固定搭配；再通读短文，结合空格前后的语法结构（如形容词后接名词、复数指示代词后接复数名词等）和上下文语境，匹配合适的单词，注意单词形式的变化（如名词变复数）。2. 选择题：第11题是细节理解题，需回到原文定位选项对应信息，逐一排除错误选项；第12题是主旨大意题，需概括全文核心内容，选择最贴合的标题。
【解析】
1. 选词填空解析：
1. 空格前是形容词strong，需填名词，结合语境“蚂蚁间的紧密联系”，选connection；
2. 空格后是动词do，指代“合作”，结合语境“像人类一样”，用复数名词humans；
3. 空格处作谓语，结合语境“为蚁巢储存食物”，选动词store；
4. 空格前是形容词性物主代词our，需填名词，结合语境“在我们的星球上”，选planet；
5. 结合语境“没有蚂蚁地球会不同”，选介词without；
6. 固定搭配take pollen（携带花粉），结合语境“蚂蚁帮花传粉”，选pollen；
7. 空格前是复数指示代词These，需填名词复数，action变复数actions；
8. 情态动词can后接动词短语原形，结合语境“参与保持世界平衡”，选play a part；
9. 结合上下文因果关系，选短语For this reason；
10. 不定式符号to后接动词原形，结合语境“保护蚂蚁是责任”，选protect；
2. 选择题解析：
11. 细节理解题：A选项与原文“live in large groups”不符，排除；B选项对应原文“others take care of the young”，正确；C选项对应原文“carry things much heavier than themselves”，正确；D选项原文未提及，排除，故选BC；
12. 主旨大意题：全文围绕“蚂蚁虽小但很神奇”展开，A选项太宽泛，B选项未提及，C选项“最聪明”无依据，D选项贴合主旨，故选D。
【答案】
1.connection 2.humans 3.store 4.planet 5.without 6.pollen 7.actions 8.play a part 9.For this reason 10.protect 11.BC 12.D
【知识点】
英语词汇运用、语篇理解、细节阅读
【点评】
本题考查学生对常用词汇的掌握、语篇语境的理解能力以及细节信息和主旨大意的提取能力，需结合语法知识和上下文逻辑解题，难度适中。
【难度系数】
0.6