沪教版八年级上册英语Unit4 Inventions词性转换及巩固训练
一、重点单词词性转换（共20分）
invent（v. 发明）→ ________（n. 发明家）
invent（v. 发明）→ ________（n. 发明物）
use（v. 使用）→ ________（adj. 有用的）
use（v. 使用）→ ________（adj. 无用的）
operate（v. 操作）→ ________（n. 操作；手术）
operate（v. 操作）→ ________（n. 操作员）
create（v. 创造）→ ________（adj. 有创造力的）
create（v. 创造）→ ________（n. 创造；创作）
improve（v. 改善）→ ________（n. 改善；提高）
important（adj. 重要的）→ ________（n. 重要性）
different（adj. 不同的）→ ________（n. 差异；不同）
different（adj. 不同的）→ ________（adv. 不同地）
usual（adj. 通常的）→ ________（adj. 不寻常的）
usual（adj. 通常的）→ ________（adv. 通常地）
possible（adj. 可能的）→ ________（adj. 不可能的）
possible（adj. 可能的）→ ________（adv. 可能地）
help（v. 帮助）→ ________（adj. 有帮助的）
help（v. 帮助）→ ________（adj. 无助的）
satisfy（v. 使满意）→ ________（adj. 满意的）
satisfy（v. 使满意）→ ________（n. 满意）
二、根据括号里单词的正确形式填空（共30分）
The young ________（invent）spent five years developing the new smart watch.
Paper is one of the greatest ________（invent）in ancient China.
This app is ________（use）for learning English grammar—it explains rules clearly.
Don’t throw away the old box; it might be ________（use）for storing books.
The ________（operate）of the new machine requires special training.
My uncle is a skilled ________（operate）who can fix many kinds of electronic devices.
Children are usually more ________（create）than adults because they have more imagination.
The ________（create）of this new art form has attracted many young artists.
Regular practice is the key to ________（improve）your spoken English.
We have seen great ________（improve）in air quality since the new policy was carried out.
Do you know the ________（important）of protecting intellectual property rights
It’s ________（importance）to read the instructions before using the new invention.
There are many ________（different）between the two types of robots.
They solved the problem ________（different）from the way we did.
It’s ________（usual）for him to be late—he’s always the first to arrive.
She ________（usual）goes for a walk after dinner to keep healthy.
It’s ________（possible）to finish the task in an hour without any help.
________（possible）, we will hold the invention show in the school hall next week.
The teacher’s advice was very ________（help）for me to finish the DIY project.
He felt ________（help）when he couldn’t fix the broken radio by himself.
The designer was ________（satisfy）with the final look of the new product.
The company tries its best to provide good service to meet customers’ ________（satisfy）.
This kind of material is ________（environment）friendly—it can be recycled.
We should take action to reduce ________（environment）pollution.
The ________（develop）of 5G technology has made our life more convenient.
China has ________（develop）rapidly in the field of high-tech inventions.
He is a ________（success）inventor who has made over 20 useful inventions.
The experiment ________（success）proved the new theory.
The ________（safe）of the new toy is our top concern—we must test it many times.
You should always ________（safe）turn off the power before repairing the machine.
三、根据句子中首字母提示完成合适的单词填空（共30分）
Edison is a famous i________ who invented the light bulb.
The smartphone is a wonderful i________ that changes people’s daily life.
This book is very u________ for learning history—there are many detailed stories.
The broken umbrella is u________ now; we’d better buy a new one.
The o________ of the factory showed us how the new cars are made.
My cousin wants to be an o________ in a computer company because he likes working with machines.
She is a c________ student—she always comes up with interesting ideas for class activities.
The c________ of the new song won the first prize in the music competition.
Taking notes is a good way to i________ your memory of what you’ve learned.
The i________ of this new teaching method has made students more interested in English.
Do you understand the i________ of saving energy in our daily life
It’s i________ to tell the truth—lying will only cause more problems.
What are the d________ between traditional phones and smart phones
They d________ designed the robot to help elderly people with housework.
It’s u________ to see snow in this city in summer—we were all surprised.
He u________ gets up at 7 o’clock, but today he got up late because his alarm didn’t ring.
It’s p________ to travel around the world in a short time with the help of planes.
P________, we can go to the science museum this weekend to see new inventions.
Her advice was h________ when I was trying to solve the difficult math problem.
The little girl felt h________ when she lost her way in the shopping mall.
The manager was s________ with the team’s work—they finished the project ahead of time.
Customer s________ is the most important thing for every business.
We should use e________ friendly bags instead of plastic bags to protect the earth.
E________ problems like air pollution and water shortage need everyone’s attention.
The d________ of online shopping has made it easier for people to buy things at home.
Our country has d________ many new medicines to fight against serious diseases.
He is a s________ scientist who has made great contributions to space research.
The experiment s________ showed that the new medicine is effective.
The s________ of the children is the first thing parents should care about.
Please s________ lock the door when you leave the classroom to keep our things safe.
四、用括号里汉语提示完成单词填空（共40分)
The ________（发明家）spent ten years developing the new energy-saving car.
The ________（发明）of the Internet has changed the way people communicate.
This dictionary is very ________（有用的）for students to look up new words.
Don’t keep this old newspaper—it’s ________（无用的）now.
The ________（操作）of this machine is a bit difficult; you need to practice more.
My brother is a computer ________（操作员）who works in a big IT company.
She has a ________（有创造力的）mind—she always thinks of new ways to solve problems.
The ________（创造）of this new painting style has influenced many young artists.
Reading English novels every day can ________（改善）your reading skills.
We have made great ________（改善）in our living conditions over the past ten years.
Do you know the ________（重要性）of learning a second language in the modern world
It’s ________（重要的）to follow the safety rules when using electrical devices.
There are some ________（差异）between the two versions of the story.
They think ________（不同地）about this problem, so they have different solutions.
It’s ________（不寻常的）to have such a heavy rain in this season.
She ________（通常）takes the bus to school, but today she rode her bike.
Is it ________（可能的）to finish this report before Friday
________（可能地）, we will have a test on Unit 4 next Monday.
Your suggestions were very ________（有帮助的）for me to plan the invention show.
He felt ________（无助的）when his computer broke down and he couldn’t finish his work.
The students were ________（满意的）with the teacher’s explanation—it was clear and easy to understand.
The company’s goal is to provide high-quality products to meet customers’ _______（满意）.
This new type of battery is ________（环保的）and can be reused many times.
We should try our best to reduce ________（环境的）pollution to protect our planet.
The ________（发展）of artificial intelligence has brought many changes to our life.
Our school has ________（发展）a new course about invention and creation this term.
He is a ________（成功的）inventor who has won many international awards.
The project ________（成功地）achieved its goal after two years of hard work.
The ________（安全）of the children in the school is the school’s top priority.
You must ________（安全地）cross the road—look left and right before you walk.
This new machine can ________（节省）a lot of time and energy for workers.
We should teach children to ________（节省）water and electricity from an early age.
The ________（普及）of smart phones has made mobile payment very common.
This invention has gained wide ________（普及）among young people.
The ________（重量）of this new laptop is only 1 kilogram—it’s very light.
This box is too heavy; can you help me check its ________（重量）
The new bridge is strong enough to ________（支撑）the weight of heavy trucks.
We need to find a way to ________（支撑）the old bookshelf to prevent it from falling.
The ________（优点）of this new product is that it’s cheap and easy to use.
Do you know the main ________（优点）of using solar energy instead of coal
参考答案
一、重点单词词性转换.
inventor 2. invention 3. useful 4. useless 5. operation 6. operator 7. creative
8. creation 9. improvement 10. importance 11. difference 12. differently 13. unusual 14. usually 15. impossible 16. possibly 17. helpful 18. helpless 19. satisfied 20. satisfaction
二、根据括号里单词的正确形式填空。
inventor 2. inventions 3. useful 4. useful 5. operation 6. operator 7. creative 8. creation 9. improving 10. improvement 11. importance 12. important 13. differences 14. differently 15. unusual 16. usually 17. impossible 18. Possibly 19. helpful 20. helpless 21. satisfied 22. satisfaction 23. environmentally 24. environmental 25. development 26. developed 27. successful 28. successfully 29. safety 30. safely
三、根据句子中首字母提示完成合适的单词填空。
inventor 2. invention 3. useful 4. useless 5. operator 6. operator 7. creative 8. creation 9. improve 10. introduction 11. importance 12. important 13. differences 14. differently 15. unusual 16. usually 17. possible 18. Possibly 19. helpful 20. helpless 21. satisfied 22. satisfaction 23. environmentally 24. Environmental 25. development 26. developed 27. successful 28. successfully 29. safety 30. safely
四、用括号里汉语提示完成单词填空。
inventor 2. invention 3. useful 4. useless 5. operation 6. operator 7. creative
creation 9. improve 10. improvements 11. importance 12. important 13. differences 14. differently 15. unusual 16. usually 17. possible 18. Possibly 19. helpful 20. helpless 21. satisfied 22. satisfaction 23. environmentally
24. environmental 25. development 26. developed 27. successful 28. successfully
29. safety 30. safely 31. save 32. save 33. popularity 34. popularity 35. weight 36. weight 37. support 38. support 39. advantage 40. advantage
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