内容正文:
Unit 5 Power of Ideas 短文填空练习(含答案) 2026-2027学年人教版英语九年级上册
学校:____________ 班级:____________ 姓名:____________ 评价:____________
【主题一】本文是记叙文,介绍爱迪生发明电灯的故事。
Thomas Edison is one of the greatest ____1____(发明家) in history. He had over 1,000 patents in his lifetime, including the phonograph, the motion picture camera, and the practical electric light bulb. His inventions have changed the world ____2____(极大地).
Edison was born in 1847 in the United States. When he was a child, he was not a good student. His teacher thought he was ____3____(迟钝的) and asked his mother to take him out of school. So Edison was homeschooled by his mother, who encouraged him to read and ____4____(探索).
Edison's most famous invention is the electric light bulb. Before his invention, people used gas lamps or candles, which were dangerous and not very bright. Edison wanted to create a safe and ____5____(可靠的) electric light that could be used in homes.
The process of inventing the light bulb was not easy. Edison ____6____(测试) thousands of different materials for the filament. He tried cotton, linen, wood, and even hair from his friends' beards. Many of them failed, but Edison never gave up. He once said, "I have not failed. I've just found 10,000 ways that won't ____7____(起作用)."
Finally, in 1879, Edison found that a carbonized bamboo filament could last for over 1,200 hours. His light bulb was a great ____8____(成功). It was safe, bright, and affordable. Soon, electric lights were used in homes, streets, and factories all over the world.
Edison's success was not just because of his talent; it was also because of his hard work and ____9____(毅力). He once said, "Genius is one percent inspiration and ninety-nine percent perspiration." His story teaches us that with a good idea and enough hard work, we can ____10____(实现) anything.
【主题二】本文是说明文,介绍一些改变世界的小发明。
When we think of great inventions, we often think of big things like the computer or the airplane. But some of the most ____1____(有影响力的) inventions are actually very small and simple. Let's take a look at some little inventions that have changed our lives.
First, the paper clip. It was invented in 1867 by a Norwegian ____2____(发明家) named Johan Vaaler. Before the paper clip, people used pins or ribbons to hold papers together, which was messy and could damage the paper. The paper clip is a simple piece of wire ____3____(弯曲) into a special shape. It can hold papers together without damaging them. Today, billions of paper clips are used every year around the world.
Second, the Post-it note. It was invented ____4____(偶然地) by a scientist named Spencer Silver. He was trying to create a strong adhesive, but he ended up with a very weak one. The adhesive was so weak that it could stick to surfaces but could be easily removed. At first, no one thought it was ____5____(有用的). But a few years later, another scientist named Arthur Fry used the adhesive to make bookmarks that wouldn't fall out of his hymn book. That's how the Post-it note was born.
Third, the zipper. It was invented by Whitcomb Judson in 1893. Before the zipper, people used buttons and laces to fasten clothes, which was slow and inconvenient. The zipper uses two rows of ____6____(齿) that can be interlocked or separated by a slider. It is fast, convenient, and reliable. Today, zippers are used on clothes, bags, tents, and many other things.
Fourth, the microwave oven. It was invented by Percy Spencer, an engineer who was working on radar technology. One day, he noticed that a chocolate bar in his pocket had ____7____(融化) while he was standing near a radar device. He realized that the microwaves from the radar could heat food. This led to the invention of the microwave oven, which has changed the way we cook and ____8____(加热) food.
These stories show that great ideas can come from anywhere. Sometimes, a small and simple idea can have a big ____9____(影响) on the world. So don't underestimate the power of small ideas. Who knows? Maybe your next small idea could change the ____10____(世界).
【主题三】本文是议论文,讨论创新对社会发展的重要性。
Innovation is the driving force of social development. Throughout history, every major ____1____(进步) in human society has been led by innovation. From the invention of the wheel to the development of the Internet, innovation has changed the way we live, work, and communicate.
First, innovation improves our quality of life. New technologies and inventions make our lives more ____2____(方便的) and comfortable. For example, the invention of the washing machine freed people from heavy housework. The development of medicine has helped us live longer and ____3____(更健康的) lives. The Internet has made it possible to get information and communicate with others anytime, anywhere.
Second, innovation promotes economic growth. New industries and markets are created through innovation. For example, the development of smartphones has created a huge market for mobile apps, mobile games, and mobile ____4____(支付). These new industries create millions of jobs and contribute to economic growth. Countries that lead in innovation often have stronger ____5____(经济).
Third, innovation helps solve social problems. Many of the world's biggest problems, such as poverty, disease, and environmental pollution, require innovative ____6____(解决方案). For example, scientists are developing new technologies to produce clean energy and reduce carbon emissions. Doctors are using new treatments to cure diseases that were once ____7____(致命的). Innovations in agriculture are helping to feed the growing world population.
However, innovation also brings challenges. New technologies can cause job ____8____(损失) as machines replace human workers. They can also raise ethical questions, such as the use of artificial intelligence and genetic engineering. Therefore, we need to make sure that innovation is used for the ____9____(利益) of all people and does not cause harm.
In conclusion, innovation is essential for social development. As students, we should develop our ____10____(创造力) and critical thinking skills. We should be curious, ask questions, and not be afraid of failure. Only by encouraging innovation can we build a better future.
【主题四】本文是记叙文,讲述一位中学生的小发明获得国家专利的故事。
Li Ming is a 15-year-old student in Grade 9. Last year, he invented a special bookstand that can help students read more ____1____(舒适地). His invention was so creative that it was granted a national patent. Let's hear his story.
It all started when Li Ming noticed that many of his classmates had ____2____(视力) problems. They often bent over their desks when reading, which was bad for their eyes and their backs. Li Ming himself also had this problem. He thought, "Why not invent something that can hold the book at a proper ____3____(角度)?"
Li Ming started to think about the design. He wanted the bookstand to be light, ____4____(便携的), and easy to use. He drew many sketches and made several models. At first, the models didn't work well. The book would fall off, or the stand was not stable enough. But Li Ming didn't give up. He kept ____5____(改进) the design.
After three months of hard work, Li Ming finally made a ____6____(成功的) model. His bookstand has several special features. First, it has adjustable legs, so users can change the angle of the book. Second, it has two clips to hold the book open, so users don't have to hold the book with their hands. Third, it can be folded into a small size, so it is easy to carry in a schoolbag.
Li Ming's teacher was very ____7____(印象深刻的) with his invention. She encouraged him to apply for a patent. With the help of his teacher and parents, Li Ming submitted the patent ____8____(申请) to the National Intellectual Property Administration. After several months of review, his invention was granted a patent.
When Li Ming received the patent certificate, he was very excited. He said, "I never thought my small invention could get a patent. This experience has taught me that everyone can be an inventor if they pay attention to the problems around them and try to solve them."
Li Ming's story has inspired many of his classmates. Now, more and more students are interested in invention and ____9____(创新). Some of them have also started working on their own inventions. Li Ming hopes that his invention can be produced and sold in the ____10____(市场) one day, so it can help more students.
【主题五】本文是说明文,介绍如何培养创新思维。
Innovation is not just for scientists and inventors. Everyone can develop innovative thinking and come up with creative ideas. Here are some ____1____(实用的) ways to cultivate your creativity.
First, be curious. Curiosity is the starting point of innovation. Ask questions about the world around you. Why is the sky blue? How does a phone work? Why do people do things this way? Don't take things for ____2____(理所当然). Try to understand how things work and why they are done the way they are.
Second, read widely. Reading exposes you to new ideas and different ____3____(观点). Read books, articles, and news from different fields. Don't just read about your favorite subjects; try to learn about things you know nothing about. The more you know, the more likely you are to make ____4____(联系) between different ideas and come up with something new.
Third, brainstorm. When you have a problem, don't just think of one solution. Try to come up with as many ideas as possible, even if they seem ____5____(愚蠢的) or impossible at first. Write down all your ideas without judging them. After you have a long list, you can review and improve them. Some of the best ideas come from seemingly crazy ones.
Fourth, experiment and try new things. Don't be afraid to make mistakes. Innovation requires ____6____(冒险). Try doing things differently. Take a different route to school. Try cooking a new dish. Learn a new skill. New experiences can stimulate your brain and help you think in new ways.
Fifth, collaborate with others. Two heads are better than one. Working with people from different ____7____(背景) can give you new perspectives. Discuss your ideas with others and listen to their feedback. They may point out things you didn't think of or suggest improvements. Many great inventions were the result of ____8____(团队) work.
Finally, keep an idea notebook. Ideas can come at any time—when you are walking, taking a shower, or even sleeping. Always carry a notebook or use your phone to ____9____(记录) your ideas. Don't rely on your memory; write them down immediately. Review your ideas regularly and develop the good ones.
Remember, innovation is a skill that can be learned and ____10____(提高). With practice and persistence, anyone can become more creative and innovative.
参考答案:
【主题一】1. inventors 2. greatly 3. slow 4. explore 5. reliable 6. tested 7. work 8. success 9. perseverance 10. achieve
【主题二】1. influential 2. inventor 3. bent 4. accidentally 5. useful 6. teeth 7. melted 8. heat 9. impact 10. world
【主题三】1. progress 2. convenient 3. healthier 4. payment 5. economies 6. solutions 7. deadly 8. loss 9. benefit 10. creativity
【主题四】1. comfortably 2. eyesight 3. angle 4. portable 5. improving 6. successful 7. impressed 8. application 9. innovation 10. market
【主题五】1. practical 2. granted 3. perspectives 4. connections 5. stupid 6. risks 7. backgrounds 8. team 9. record 10. improved
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