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Ⅳ. 阅读短文，从每小题所给的A、B、C三个选项中，选出一个最佳选项。
The African elephant is the largest land animal in the world. It can weigh up to 6 tons and stand as tall as 13 feet at the shoulder. Its ears are the biggest of all animals, helping it stay cool in the hot weather in Africa.
African elephants also have long tusks, which they use for digging, fighting, and carrying things. These smart animals live in family groups and have strong social bonds among land animals.
Sadly, they are in great danger because people hunt them and their living places are getting smaller. Protecting them is one of the most important tasks for protecting wild animals today.
(
A. They help it swim better.
B. They help it hear sounds far away.
C. They help it stay cool in the hot weather.
(
A. 3,000 kilograms.
B. 6,000 kilograms.
C. 10,000 kilograms.
(
A. living alone in forests
B. friendly to humans
C. living in family groups
(
A. Because they are too heavy.
B. Because they cannot find enough water.
C. Because people catch them and make them lose homes.
(
A. What African elephants look like and how they live.
B. What we can do to protect African elephants.
C. Why African elephants are the strongest animals.
The African elephant is the largest land animal in the world. It can weigh up to 6 tons and stand as tall as 13 feet at the shoulder. Its ears are the biggest of all animals, helping it stay cool in the hot weather in Africa.
African elephants also have long tusks, which they use for digging, fighting, and carrying things. These smart animals live in family groups and have strong social bonds among land animals.
Sadly, they are in great danger because people hunt them and their living places are getting smaller. Protecting them is one of the most important tasks for protecting wild animals today.
(
C
)1. What is special about an African elephant’s ears?A. They help it swim better.
B. They help it hear sounds far away.
C. They help it stay cool in the hot weather.
(
B
)2. How many kilograms can an African elephant weigh at most?A. 3,000 kilograms.
B. 6,000 kilograms.
C. 10,000 kilograms.
(
C
)3. From the text, we can guess that African elephants are .A. living alone in forests
B. friendly to humans
C. living in family groups
(
C
)4. Why are African elephants in danger?A. Because they are too heavy.
B. Because they cannot find enough water.
C. Because people catch them and make them lose homes.
(
A
)5. What is the text mainly about?A. What African elephants look like and how they live.
B. What we can do to protect African elephants.
C. Why African elephants are the strongest animals.
答案
1.C 2.B 3.C 4.C 5.A
解析
【分析】做这类英语阅读理解题，需先通读原文把握大意，再针对每个小题的题干关键词，回到原文定位对应信息，逐一匹配选项：第1题关键词是“ears”，第2题是“weigh”，第3题是“live”，第4题是“in danger”，第5题是“mainly about”，通过定位原文对应句子，选出与原文一致的最佳选项。
【解析】1. 定位原文第一段最后一句“Its ears are the biggest of all animals, helping it stay cool in the hot weather in Africa.”，可知非洲象耳朵的特殊之处是帮助它在炎热天气保持凉爽，对应选项C；2. 定位原文第一段第二句“It can weigh up to 6 tons”，1吨=1000千克，故最大体重为6000千克，对应选项B；3. 定位原文第二段最后一句“These smart animals live in family groups”，可知非洲象以家庭群体生活，对应选项C；4. 定位原文第三段第一句“they are in great danger because people hunt them and their living places are getting smaller”，可知非洲象濒危的原因是人类捕猎和栖息地减少，对应选项C；5. 原文介绍了非洲象的外形特征、生活方式及面临的危险，主旨是非洲象的外形与生活情况，对应选项A。
【答案】1.C 2.B 3.C 4.C 5.A
【知识点】英语阅读理解、细节理解题、主旨大意题
【点评】本题为英语阅读理解题，侧重考查学生提取细节信息和归纳文章主旨的能力，文本内容贴近常识，难度不大，只要仔细阅读原文即可正确作答。
【难度系数】0.7
【解析】1. 定位原文第一段最后一句“Its ears are the biggest of all animals, helping it stay cool in the hot weather in Africa.”，可知非洲象耳朵的特殊之处是帮助它在炎热天气保持凉爽，对应选项C；2. 定位原文第一段第二句“It can weigh up to 6 tons”，1吨=1000千克，故最大体重为6000千克，对应选项B；3. 定位原文第二段最后一句“These smart animals live in family groups”，可知非洲象以家庭群体生活，对应选项C；4. 定位原文第三段第一句“they are in great danger because people hunt them and their living places are getting smaller”，可知非洲象濒危的原因是人类捕猎和栖息地减少，对应选项C；5. 原文介绍了非洲象的外形特征、生活方式及面临的危险，主旨是非洲象的外形与生活情况，对应选项A。
【答案】1.C 2.B 3.C 4.C 5.A
【知识点】英语阅读理解、细节理解题、主旨大意题
【点评】本题为英语阅读理解题，侧重考查学生提取细节信息和归纳文章主旨的能力，文本内容贴近常识，难度不大，只要仔细阅读原文即可正确作答。
【难度系数】0.7
Ⅰ. 根据句意、单词首字母或汉语提示，用本单元所学单词填空。
1.
2. Our p
3. The balance of the e
4. It's important to
5. Everyone can
1.
Imagine
（想象）a world where everyone is kind to each other—how wonderful it would be!2. Our p
planet
, earth, is a beautiful place with a lot of amazing creatures.3. The balance of the e
ecosystem
is easily broken if too many trees are cut down.4. It's important to
communicate
（沟通）clearly with your teammates when working on a group project.5. Everyone can
play
a
part
in
（参与）protecting the environment by recycling and saving water.答案
1. Imagine 2. planet 3. ecosystem 4. communicate 5. play a part in
解析
【分析】
本题是根据句意、首字母或汉语提示填写本单元单词的填空题，解题思路为：先理解每个句子的语境，再结合给出的汉语提示或首字母，回忆本单元对应的单词或短语，同时注意单词的形式（如祈使句用动词原形、不定式后接动词原形等），确保拼写正确。
【解析】
1. 句意为“想象一个人人彼此友善的世界——那多美好啊！”，汉语提示“想象”，位于句首的祈使句需用动词原形，故填Imagine。
2. 句意为“我们的________，地球，是一个有很多神奇生物的美丽地方”，首字母为p，结合常识可知此处指“行星”，故填planet。
3. 句意为“如果砍太多树，________的平衡很容易被打破”，首字母为e，结合语境可知此处指“生态系统”，故填ecosystem。
4. 句意为“小组项目中与队友清晰沟通很重要”，汉语提示“沟通”，不定式符号to后接动词原形，故填communicate。
5. 句意为“每个人都能通过回收和节约用水参与保护环境”，汉语提示“参与”，对应固定短语play a part in，情态动词can后接动词原形，故填play a part in。
【答案】
1. Imagine 2. planet 3. ecosystem 4. communicate 5. play a part in
【知识点】
动词用法、名词词义、固定短语搭配
【点评】
本题考查本单元核心词汇及短语的运用，结合语境和提示填空，侧重基础词汇的掌握，难度适中，可帮助巩固单元知识。
【难度系数】
0.6
本题是根据句意、首字母或汉语提示填写本单元单词的填空题，解题思路为：先理解每个句子的语境，再结合给出的汉语提示或首字母，回忆本单元对应的单词或短语，同时注意单词的形式（如祈使句用动词原形、不定式后接动词原形等），确保拼写正确。
【解析】
1. 句意为“想象一个人人彼此友善的世界——那多美好啊！”，汉语提示“想象”，位于句首的祈使句需用动词原形，故填Imagine。
2. 句意为“我们的________，地球，是一个有很多神奇生物的美丽地方”，首字母为p，结合常识可知此处指“行星”，故填planet。
3. 句意为“如果砍太多树，________的平衡很容易被打破”，首字母为e，结合语境可知此处指“生态系统”，故填ecosystem。
4. 句意为“小组项目中与队友清晰沟通很重要”，汉语提示“沟通”，不定式符号to后接动词原形，故填communicate。
5. 句意为“每个人都能通过回收和节约用水参与保护环境”，汉语提示“参与”，对应固定短语play a part in，情态动词can后接动词原形，故填play a part in。
【答案】
1. Imagine 2. planet 3. ecosystem 4. communicate 5. play a part in
【知识点】
动词用法、名词词义、固定短语搭配
【点评】
本题考查本单元核心词汇及短语的运用，结合语境和提示填空，侧重基础词汇的掌握，难度适中，可帮助巩固单元知识。
【难度系数】
0.6
