Unit3两篇课文挖空练习2026-2027学年外研版英语九年级上册

**基本信息** 该同步练习采用“基础版+提升版+拓展填空”三级分层设计，通过语篇挖空实现从基础词汇、核心语法到综合语用的递进，助力语言能力与思维品质发展。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础版|基础词汇、一般过去时等基础语法|聚焦课文核心内容，单一句式挖空巩固基础| |提升版|被动语态、定语从句等复杂语法|增加语境复杂度，融入非谓语动词等综合考点| |拓展填空|比较级、词性转换等词汇拓展|结合语篇意义延伸，提升知识迁移与应用能力|

8A U3课文1挖空练习 A helping hand练习1（基础版） Easton LaChappelle, a 14-year-old student, 1.______(stand) beside his work at a science fair. It was a robotic arm. He 2.______(build) it out of plastic blocks and fishing line. “Hello,” said a girl with an artificial arm, as she 3.______(shake) hands with Easton’s work. This 4.______(be) the first time Easton met Jenny. The girl 5.______(bear) without an arm. Her artificial arm was just a simple hook, but it 6.______(cost) $80,000. What’s 7.______(bad), children like her grow quickly and need new arms all the time. This 8.______(create) a difficult condition for Jenny’s family. “It blew me away! I built my arm for only $300,” 9.______(think) Easton. “I must lend a hand to people like 10.______(she).” After the fair, Easton’s room 11.______(become) a lab. He stayed there all day. He always tried 12.______(improve) his work. For his 16th birthday, Easton 13.______(get) a 3-D printer. And with it, he invented an artificial arm. It was able 14.______(move) with brain signals of the user. But it wasn’t good enough yet: the arm 15.______(weigh) 3.6 kilograms. It was too heavy for a child. Easton kept 16.______(work) on it. He enjoyed 17.______(fix) problems one after another. And finally he hit on success at age 23. His design only 18.______(weigh) 0.5 kilograms and cost around $500! Easton’s invention 19.______(help) many children so far. He didn’t want 20.______(make) money from it. He decided 21.______(post) his design online… for free! People can download the design and make an artificial arm with 22.______(they) own 3-D printers! What a 23.______(help) hand! 拓展填空 Jenny’s old hook arm was much 24.______(expense) than Easton’s early robotic arm. It’s hard for poor families 25.______(afford) expensive artificial arms. Easton’s first brain-controlled arm was 3.6kg, much 26.______(heavy) than the final 0.5kg one. He spent years 27.______(solve) all kinds of difficulties. Sharing the design online lets more 28.______(child) get cheap artificial arms. His spirit of 29.______(help) others moves lots of people. Everyone admires Easton for 30.______(he) selfless choice. Small inventions can bring great 31.______(change) to people’s lives. 练习1 答案 1. stood 2. built 3. shook 4. was 5. was born 6. cost 7. worse 8. created 9. thought 10. her 11. became 12. to improve 13. got 14. to move 15. weighed 16. working 17. fixing 18. weighed 19. has helped 20. to make 21. to post 22. their 23. helpful 24. more expensive 25. to afford 26. heavier 27. solving 28. children 29. helping 30. his 31. changes 练习2（提升版） A helping hand At a science fair, 14-year-old Easton LaChappelle 1.______(stand) next to his robotic arm. The arm 2.______(make) of plastic blocks and fishing line. A girl 3.______(name) Jenny walked up. She had an artificial hook arm and 4.______(shake) hands with Easton’s creation. This was their 5.______(one) meeting. Jenny 6.______(bear) without one arm. Her simple hook arm cost as much 7.______ $80,000. Even 8.______(bad), kids grow fast, so they need new arms again and again. This 9.______(bring) huge stress to Jenny’s family. Easton felt shocked. “My arm only costs $300,” he said to 10.______(he). “I should do something for people like Jenny.” Right after the fair, Easton turned his room 11.______ a small lab. He spent all his free time 12.______(perfect) his robotic arm. On his 16th birthday, he received a 3-D printer, with 13. ______he made a brain-signal-controlled artificial arm. However, the arm 14.______(weight) 3.6kg, far too heavy for little kids. He never gave up 15.______(try). He liked 16.______(deal) with difficulties step by step. When he turned 23, he 17.______(success). His new arm weighed just 0.5kg and only cost about $500. Lots of kids 18.______(get) help from Easton’s invention up to now. Instead of 19.______(sell) it for profit, he chose 20.______(share) all design files online free of charge. Anyone with a 3-D printer can download the files 21.______(produce) their own artificial arms. What a 22.______(care) and helping hand Easton offers! 拓展填空 The price difference between two kinds of arms is 23.______(surprise) big. It takes much time and energy 24.______(reduce) the weight of the robotic arm. Easton’s 25.______(create) makes expensive artificial arms no longer necessary. Many 26.______(engineer) learn from his free online design. The story tells us the 27.______(true) meaning of lending a hand. We should use our skills 28.______(support) people in need. 29.______(share) knowledge can warm more people’s hearts. Easton’s actions are much 30.______(value) than money. 练习2 答案 1. stood 2. was made 3. named 4. shook 5. first 6. was born 7. as 8. worse 9. brought 10. himself 11. into 12. perfecting 13. which 14. weighed 15. trying 16. dealing 17. succeeded 18. have got 19. selling 20. to share 21. to produce 22. caring 23. surprisingly 24. to reduce 25. creation 26. engineers 27. true 28. to support 29. Sharing 30. more valuable 8A U3课文2挖空练习 The power of curiosity练习1（基础版） 1 Albert Einstein once 1. (say), “I have no special talents. I am only 2. (passionately) curious.” Many great 3. (invent) in history are the result of people’s 4. (curious). 2 For example, Zhang Heng, a Chinese scientist and 5. (invent), was curious 6. the world. He wondered, “How does everything in the world 7. (move)?” This strong curiosity drove him 8. (spend) years 9. (study) the sky and the earth. Finally, he 10. (draw) China’s first star map, and 11. (invent) the first earthquake detector. These 12. (achieve) played an important role 13.______ the development of science. 3 Benjamin Franklin is another example. He 14. (draw) to electricity and had a deep 15. (curious) about its nature. He did lots of 16. (research). Stories said he flew a kite during a storm out 17. curiosity. This helped him 18. (know) more about electricity and later he invented the lightning rod. This invention helps protect 19. (build) from lightning. 4 Now let’s look at Wan Hu, the Ming Dynasty pioneer of space 20. (explore). He was so curious about space that he 21. (invent) a “flying chair”! But sadly he lost his life when he 22. (test) his invention. Even though his curiosity didn’t lead 23. success, his idea gave later 24. (generation) the courage 25. (keep) exploring space. 5 Curiosity works like a key. It opens new doors for us 26. (learn) and discover. When we stay 27. (curiosity) and ask questions, we can always explore 28. (much) and find amazing 29. (thing) in the world. 拓展练习 Curiosity pushes people 30.______(break) old limits. All great scientists have strong 31.______(curious) inside. Without curiosity, few new 32.______(discover) will appear. We should keep asking questions 33.______(wide) our eyes to the world. The power of curiosity makes our life far 34.______(wonder). 练习1 答案 1. said 2. passionately 3. inventions 4. curiosity 5. inventor 6. about 7. move 8. to spend 9. studying 10. drew 11. invented 12. achievements 13. in 14. was drawn 15. curiosity 16. research 17. of 18. know 19. buildings 20. exploration 21. invented 22. tested 23. to 24. generations 25. to keep 26. to learn 27. curious 28. more 29. things 30. to break 31. curiosity 32. discoveries 33. to widen 34. more wonderful 练习2（提升版） The power of curiosity The famous words from Albert Einstein 1. (be): “I have no special talents. I’m just 2. (passion) curious.” Countless great 3.______(invent) throughout history come from people’s natural curiosity. Take Zhang Heng 4.______ an example. As a great Chinese scientist and inventor, he filled 5. (he) mind with questions about nature. He kept 6. (think) about how all things on earth move. Driven 7.______ strong curiosity, he spent many years 8. (watch) stars and studying the earth. In the end, he finished China’s 9. (one) star map and created the world’s earliest earthquake detector. Those great 10.______(achieve) greatly pushed science forward. Benjamin Franklin is another good role model. He 11. (attract) to electricity and showed deep curiosity to this special power. He carried out plenty of 12. (study). It’s recorded that he flew a kite in storm weather just out of curiosity. The experiment allowed him 13. (understand) electricity better, and then the lightning rod 14. (create) by him to keep buildings safe 15.______ lightning hits. Wan Hu from Ming Dynasty was a space exploration pioneer. His curiosity 16.______ space was so strong that he designed a “flying chair”. Unluckily, he died while 17. (try) his invention. Although his test ended 18. failure, his spirit encouraged later 19.______(scientist) to continue space research. Curiosity acts as a magic key. It creates new chances 20.______ us to study and explore. If we remain curious and raise questions 21. (brave), we will dig out more amazing 22. (secret) of the world. 拓展练习 A mind full 23.______ curiosity will never stop learning. Every small question may lead to great 24.______(discover). We must hold on 25.______ our curiosity as we grow up. Curiosity makes people 26.______(fear) of unknown things. The power of curiosity is much 27.______(strong) than we imagine. 练习2 答案 1. were 2. passionate 3. inventions 4. as 5. his 6. thinking 7. by 8. watching 9. first 10. achievements 11. was attracted 12. studies 13. to understand 14. was created 15. from 16. about 17. trying 18. in 19. scientists 20. for 21. bravely 22. secrets 23. of 24. discoveries 25. to 26. fearless 27. stronger 1 学科网（北京）股份有限公司 $