摘要:
**基本信息**
该同步练习采用“夯实基础+能力提升”分层设计,通过词汇→句型→语篇的递进路径巩固知识,兼顾语言能力与思维品质培养。
**分层设计**
|层次|知识覆盖|设计特色|
|----|----------|----------|
|夯实基础|核心词汇拼写(如camera, invention)、基础句型转换(如被动语态)|单题聚焦单一知识点,直接考查单元基础词汇与语法,适合新授课即时巩固|
|能力提升|语篇词汇运用、上下文理解、信息提取与推理|通过短文填空(科技场景)、完形填空(发明影响)、阅读理解(创新案例)实现综合应用,培养逻辑思维与语篇分析能力|
内容正文:
Unit 5 Section A 1a—2d 基础+能力分层练2026-2027学年人教版九年级上册
夯实基础
Ⅰ. 根据句意和首字母提示填写单词
1. I'm going to record the school concert with a new c______.
2. Now many hospitals use 3D p______ to make models of teeth for patients.
3. Some supermarkets stop providing free p______ bags to reduce white pollution.
4. The i______ of the smartphone changed the way we communicate with others.
5. The solar panels on the roof p______ clean energy for the whole village.
6. The robot can clean the floor by i______, without any human control.
Ⅱ. 根据汉语意思完成句子,每空一词
7. 而且,风能可以被转化为一种有用的能源。
What's more, wind energy can ______ ______ ______ a useful source of power.
8. 数十年前,像用视频通话见远方朋友这样的想法似乎不可能。
______ ______ years ago, ideas like meeting friends far away by video call seemed impossible.
能力提升
Ⅲ. 短文填空
阅读短文,从方框中选出恰当的单词并用其适当形式填空,使短文通顺、意义完整。每空仅填一词,每词仅用一次。
by clearly devices find future great offer rush useful way
Have you ever used a smart board in class? Have you ever taken an online course at home? Technologies have brought 9______ changes to our study. Actually, changes can also be 10______ in your daily life.
"Now, we don't have to 11______ to the library as soon as it opens," says Li Hua, a student from Beijing. His school introduced a smart reading system this year. Students borrow books 12______ using facial recognition technology. The smart library 13______ students quiet experiences. At the same time, it helps the school manage books and reduce loss. Besides providing 14______ books, the smart school also tries to help students develop good reading habits.
Recently, a middle school in Shanghai has used four 15______ on the desks to follow students and record how they write. They can 16______ see the top ten students on the screen. That adds fun to learning and makes students compete in an interesting 17______.
What other exciting technologies could be part of our life in the 18______? Let's look forward to even more changes!
9. ______ 10. ______ 11. ______ 12. ______ 13. ______
14. ______ 15. ______ 16. ______ 17. ______ 18. ______
Ⅳ. 完形填空
When I was a child, my grandpa told me stories about the old days. "We had no electric light, so we used oil lamps," he said. "Life was hard, but inventions slowly brought 19______."
One of the greatest changes is the mobile phone. In the past, people had to write letters that took weeks to 20______. Now, with a small device, we can talk to anyone in the world in seconds. This 21______ not only saves time but also brings families closer.
Another useful invention is the washing machine. My grandma used to wash clothes by hand, which was 22______ and tired her back. Today, she just puts the clothes in and the machine does the work. She says it gives her more time to 23______ her garden.
However, not all changes are perfect. Some people worry that too many screens keep children from 24______ outside. But if we use technology wisely, its power can help us learn and grow.
In my opinion, the true power of ideas lies in making life better. A small thought can lead to a(n) 25______ that changes the world. We should never stop 26______ new ways to solve problems.
The future is full of possibilities. As long as humans keep imagining, more amazing inventions will 27______ to improve our lives. 28______ we remember: it is human creativity that lights the way.
( )19. A. darkness B. light C. noise D. cold
( )20. A. arrive B. write C. read D. send
( )21. A. invention B. mistake C. accident D. hobby
( )22. A. easy B. relaxing C. tiring D. interesting
( )23. A. ignore B. enjoy C. forget D. sell
( )24. A. playing B. sleeping C. studying D. eating
( )25. A. problem B. invention C. question D. excuse
( )26. A. looking for B. giving up C. taking off D. putting off
( )27. A. appear B. disappear C. fail D. refuse
( )28. A. And B. But C. So D. Or
Ⅴ. 阅读理解
The power of a small idea can be surprising. Take the story of the "shared umbrella". A young designer noticed that people often got wet on rainy days because they forgot umbrellas. She thought: "Why not put umbrellas in stations for anyone to use?" With this simple idea, she designed a smart lock and an app. Now, thousands of shared umbrellas help passengers every day.
Another example is the "blind walking stick with eyes". An engineer's friend was visually impaired. He invented a stick that uses sound to tell the user about obstacles. This small change brought great independence to many blind people.
Ideas like these show that inventions don't always need huge labs. They start with noticing a problem and daring to think differently. As one inventor said, "The world is changed by people who see what others don't."
( )29. What inspired the shared umbrella idea?
A. People often got wet on rainy days. B. A friend's blindness.
C. A smart phone app. D. A train station.
( )30. The underlined word "passengers" probably means ______.
A. 乘客 B. 司机 C. 设计师 D. 工程师
( )31. What does the blind walking stick use to help the user?
A. Light. B. Sound. C. Smell. D. Heat.
( )32. According to the passage, where do inventions often start?
A. In huge labs. B. With noticing a problem.
C. From foreign countries. D. By copying others.
( )33. What is the best title for the passage?
A. How to Make Umbrellas B. The Power of Small Ideas
C. Rainy Days Trouble D. Blind People's Life
参考答案
Ⅰ. 1. camera 2. printers 3. plastic 4. invention 5. produce 6. itself
Ⅱ. 7. be turned into 8. Tens of
Ⅲ. 9. great 10. found 11. rush 12. by 13. offers 14. useful 15. devices 16. clearly 17. way 18. future
Ⅳ. 19. B 20. A 21. A 22. C 23. B 24. A 25. B 26. A 27. A 28.A
Ⅴ. 29. A 30. A 31. B 32. B 33. B
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