Unit 3 Curious minds单元练习（含解析） 沪教版（五四学制）（2024）八年级上册

沪教版（2024）（五四学制）英语八年级上册Unit 3 CuriousMinds单元练习
一、按要求改写句子
Curiosity helps people so that they can learn new things.（用不定式改写）
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The little girl asked her father many questions. She wanted to know the answers.（合并为含不定式的句子）
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Dr Gu gave a speech. He wanted to encourage students to stay curious.（用不定式表目的合并）
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We should keep exploring. It can help us find more answers.（用"help+宾语+动词原形"改写）
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The experiment showed that curiosity improves memory.（改为被动语态）
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二、单词适当形式填空
1. The child's __________ (end) questions made his mother a little annoyed.
2. Curiosity encourages us __________ (explore) the unknown world.
3. The __________ (discover) of gravity changed people's understanding of nature.
4. The story about Archimedes is very __________ (interest) and inspiring.
5. We need to keep a __________ (curiosity) mind to learn new things.
6. The researcher did a lot of __________ (research) on the power of curiosity.
7. The magic trick was so __________ (surprise) that everyone laughed.
8. Reading books can help __________ (deep) our knowledge about the world.
9. The students were __________ (excite) to hear about Newton's story.
10. It's important for us __________ (develop) the ability to ask questions.
三、连词成句
curiosity / the brain / helps / new information / better / take in / to
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Isaac Newton / why / wondered / fall down / things / instead of / up / why
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by / we / keep / should / asking questions / a curious mind / and / exploring
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四、完型填空
Curiosity is often called the "engine of progress". It drives humans to explore, discover, and create. From ancient times to the present, curious minds have 1. ______ the world we live in today.
When Isaac Newton saw an apple fall from a tree, he didn't ignore it. Instead, he felt 2. ______ and asked, "Why does it fall down " This question led him to 3. ______ the theory of gravity. Similarly, Archimedes was curious about the water rising when he got into a bath. His 4. ______ led to the discovery of buoyancy (浮力), which is still used in physics today.
In daily life, curiosity helps us learn better. A 2014 study 5. ______ that curious people remember information 30% better than others. This is because curiosity makes the brain more 6. ______ to new knowledge. For students, staying curious can 7. ______ them to ask more questions and find answers on their own.
Curiosity also brings joy. Think about how a child 8. ______ hours playing with a toy to figure out how it works. That joy of 9. ______ is the same feeling scientists get when they make a new discovery. Especially, it's a 10. ______ that keeps us going even when things are difficult.
However, curiosity isn't just for great scientists. It's for everyone. Whether you're 11. ______ how a phone works or why stars twinkle, asking "why" is the first step to learning. As the saying goes, "The important thing is not to stop 12. ______."
So, let's keep our curious minds alive. Ask questions, 13. ______ experiments, and never be afraid to explore. You never know what amazing things you might 14. ______ or how your curiosity could 15. ______ the world.
1. A. changed B. broken C. returned D. copied
2. A. angry B. curious C. sleepy D. proud
3. A. forget B. doubt C. develop D. hide
4. A. fear B. curiosity C. sadness D. happiness
5. A. proved B. refused C. imagined D. guessed
6. A. closed B. slow C. open D. blind
7. A. warn B. encourage C. stop D. prevent
8. A. spends B. wastes C. misses D. saves
9. A. waiting B. finding C. losing D. hiding
10. A. force B. problem C. mistake D. secret
11. A. bored B. tired C. curious D. nervous
12. A. playing B. asking C. eating D. sleeping
13. A. do B. avoid C. fear D. quit
14. A. destroy B. invent C. weight D. taste
15. A. harm B. leave C. change D. miss
五、阅读文章回答问题
Curiosity: The Key to Great Discoveries
Throughout history, curiosity has been the driving force behind some of the most important discoveries. Take Galileo Galilei, for example. As a young man, he was curious about the stars and planets. While others believed the Earth was the center of the universe, Galileo wondered if that was true. He built a telescope to observe the sky and found that the Earth orbits the sun—a discovery that changed science forever.
Another example is Marie Curie, who was curious about unknown elements. She spent years studying radioactive materials, even when many people thought it was a waste of time. Her curiosity led to the discovery of radium, which has helped save millions of lives through cancer treatment.
Curiosity isn't just for famous scientists. It's part of everyday life. A teacher in a small village noticed that her students were curious about plants. Instead of just telling them facts, she encouraged them to grow their own. The students began asking questions: Why do some plants need more water How do they make food Through exploring, they learned more than any textbook could teach.
In fact, research shows that curious people are more successful in life. They are better at solving problems and adapting to new situations. This is because curiosity makes the brain more active and ready to learn. When we're curious, we pay more attention and remember information better.
So, the next time you wonder "why" or "how", don't ignore it. Follow your curiosity—it might just lead you to something amazing.
What did Galileo discover by observing the sky with a telescope
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How did Marie Curie's curiosity help save lives
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What did the village teacher do to encourage her students' curiosity
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Why are curious people more successful in life according to research
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What does the author advise us to do when we feel curious
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六、句子翻译
当孩子对周围的世界感到好奇时，他们会问无数问题来寻找答案。
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好奇心帮助大脑更好地吸收新信息，这就是为什么好奇的人记得更牢。
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阿基米德在洗澡时注意到水位变化，他的好奇心让他发现了浮力原理。
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尽管遇到很多困难，牛顿从未停止探索，最终因为对苹果落地的好奇发现了重力。
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老师鼓励学生保持好奇心，因为它能让学习变得更有趣、更有效。
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七、小作文
话题：A Curious Moment I Remember
要求：不少于60个单词，描述一次因好奇心引发的经历，说明好奇心带来的影响。
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答案与解析
一、按要求改写句子
1. Curiosity helps people to learn new things.
解析：考查不定式作宾语补足语，"help sb. (to) do sth."为固定结构。
2. The little girl asked her father many questions to know the answers.
解析：用不定式表目的，合并两个句子，符合单元中"好奇心驱动提问"的主题。
3. Dr Gu gave a speech to encourage students to stay curious.
解析：用不定式表目的，对应单元中Dr Gu的演讲目的。
4. Exploring can help us find more answers.
解析：考查"help+宾语+动词原形"结构，突出探索的作用。
5. It was shown that curiosity improves memory.
解析：改为被动语态，保持句意不变，符合单元中实验结果的描述。
二、单词适当形式填空
1. endless 解析：形容词修饰名词questions，指"没完没了的问题"。
2. to explore 解析：encourage后接不定式，单元中多次出现"encourage to do"结构。
3. discovery 解析：名词作主语，对应单元中"发现"的名词形式。
4. interesting 解析：-ing形容词修饰物，指故事有趣。
5. curious 解析：形容词修饰mind，"curious mind"为单元核心短语。
6. research 解析：不可数名词，"do research"为固定搭配。
7. surprising 解析：-ing形容词描述事物，指魔术令人惊讶。
8. deepen 解析：动词，"help do"结构，指加深知识。
9. excited 解析：-ed形容词描述人，指学生感到兴奋。
10. to develop 解析：it作形式主语，不定式作真正主语，符合单元语法。
三、连词成句
1. Curiosity helps the brain to better take in new information.
解析：结合单元中"好奇心帮助大脑吸收信息"的观点，语序正确。
2. Isaac Newton wondered why things fall down instead of up.
解析：基于单元中牛顿发现重力的故事，句子完整。
3. We should keep a curious mind by asking questions and exploring.
解析：符合单元中"保持好奇心"的主题，结构正确。
四、完型填空
1. A 解析：好奇心改变世界，符合单元"好奇心推动进步"的主题。
2. B 解析：牛顿对苹果落地感到好奇，呼应单元故事。
3. C 解析：develop the theory指"提出理论"，符合科学发现的语境。
4. B 解析：阿基米德的好奇心推动发现，与前文呼应。
5. A 解析：研究"证明"好奇心的作用，符合单元中实验的描述。
6. C 解析：open to new knowledge指"乐于接受新知识"。
7. B 解析：encourage sb. to do指"鼓励做某事"，符合教育场景。
8. A 解析：spend time doing指"花时间做某事"，描述孩子探索玩具的行为。
9. B 解析：finding指"发现"，对应好奇心带来的成果。
10. A 解析：force指"动力"，说明好奇心的推动作用。
11. C 解析：be curious about指"对……好奇"，为单元核心短语。
12. B 解析：stop asking与"保持提问"的主题相反，符合语境。
13. A 解析：do experiments指"做实验"，呼应科学探索。
14. B 解析：invent指"发明"，体现好奇心的成果。
15. C 解析：change the world与首句"改变世界"呼应。
五、阅读文章回答问题
1. He found that the Earth orbits the sun.
解析：从第一段可知伽利略的发现。
2. Her discovery of radium has helped save millions of lives through cancer treatment.
解析：第二段提到镭的发现对癌症治疗的作用。
3. She encouraged them to grow their own plants and explore.
解析：第三段描述老师鼓励学生实践的行为。
4. Because curiosity makes the brain more active and ready to learn, helping them solve problems and adapt to new situations.
解析：第四段解释好奇的人更成功的原因。
5. The author advises us to follow our curiosity instead of ignoring it.
解析：最后一段呼吁追随好奇心。
六、句子翻译
1. When children are curious about the world around them, they ask countless questions to find answers.
解析：结合单元中孩子通过提问探索世界的内容，用词准确。
2. Curiosity helps the brain take in new information better, which is why curious people remember things more clearly.
解析：对应单元中"好奇心提升记忆力"的研究，语法正确。
3. Archimedes noticed the change in water level when taking a bath, and his curiosity led him to discover the principle of buoyancy.
解析：基于阿基米德的故事，翻译完整。
4. Despite many difficulties, Newton never stopped exploring and finally discovered gravity because of his curiosity about falling apples.
解析：体现牛顿发现重力的过程，符合单元内容。
5. Teachers encourage students to stay curious because it can make learning more interesting and effective.
解析：呼应单元中教育场景，强调好奇心的作用。
七、小作文
范文：
Last summer, I was curious why my grandma's flowers grew better. I watched them daily and found she watered them at dawn. I tried it, and my flowers thrived! Curiosity taught me that small details matter. It made me love exploring nature more.