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Unit 2 Great inventions and discoveries单元训练-2025-2026学年 初中英语 沪教版（五四学制） 八年级下册
姓名：____________ 班级：____________ 学号：____________ 分数：____________
一、英汉互译（共10小题，每小题2分，共20分）
1. 伟大的发明 ____________
2. 发现；发觉 ____________
3. 中国四大发明 ____________
4. 发明某物 ____________
5. 被用来做某事 ____________
6. in the ancient world ____________
7. make a big difference ____________
8. develop into ____________
9. spread around the world ____________
10. modern technology ____________
二、单项选择题（共20小题，每小题1分，共20分）
( )1. The wheel is one of __________ greatest inventions in human history.
A. a B. an C. the D. /
( )2. My brother __________ a small model plane last weekend.
A. invents B. invented C. has invented D. will invent
( )3. Paper-making is a great __________ created by ancient Chinese.
A. invent B. invention C. discover D. discovery
( )4. —__________ you __________ the film about great inventions
—Yes, I have.
A. Did; see B. Have; seen C. Will; see D. Do; see
( )5. The smartphone __________ people’s life a lot since 2007.
A. changes B. changed C. has changed D. will change
( )6. This pen is used __________ writing and drawing.
A. for B. to C. with D. at
( )7. Ancient people __________ fire and began to cook food.
A. find B. found C. discovered D. invented
( )8. Printing is one of the four great __________ of ancient China.
A. invention B. inventions C. discover D. discoveries
( )9. She has learnt about great inventions __________ last month.
A. for B. since C. in D. on
( )10. The compass helps people __________ the right direction.
A. find B. finding C. found D. finds
( )11. —When __________ paper __________
—About 2,000 years ago.
A. is; made B. was; made C. did; make D. will; make
( )12. This new machine is __________ than the old one.
A. powerful B. more powerful C. most powerful D. the most powerful
( )13. We __________ our country’s four great inventions.
A. proud of B. take pride C. are proud of D. pride
( )14. The news __________ quickly all over the village yesterday.
A. spread B. spreads C. is spread D. will spread
( )15. I have never __________ such a useful invention before.
A. see B. saw C. seen D. seeing
( )16. __________ the help of the Internet, we can learn new things easily.
A. Under B. With C. On D. For
( )17. This invention __________ people a lot of time in daily life.
A. saves B. takes C. spends D. pays
( )18. He __________ finished his project about great discoveries yet.
A. hasn’t B. didn’t C. doesn’t D. won’t
( )19. Gunpowder was invented in the __________ Tang Dynasty of China.
A. ancient B. modern C. new D. young
( )20. Many small inventions __________ our life more convenient.
A. make B. makes C. made D. has made
三、单词填空
（一）根据首字母及句意提示填写单词（共10小题，每小题1分，共10分）
(1) The d__________ of electricity changed the whole world.
(2) Thomas Edison was a famous i__________ with over 1,000 inventions.
(3) Paper was first c__________ in China more than 2,000 years ago.
(4) The four great inventions are very i__________ to the whole world.
(5) Modern t__________ helps us work and study more efficiently.
(6) The idea of this invention s__________ quickly around the world.
(7) A compass can tell us the right d__________ when we go out.
(8) This new tool is very p__________ and can solve many problems.
(9) The old invention is still u__________ in our daily life today.
(10) Great inventions make our life more c__________.
（二）用括号内单词的正确形式填空（共10小题，每小题1分，共10分）
(1) The computer is one of the most important __________ (invent) in the world.
(2) My father __________ (work) in this factory since 2015.
(3) The __________ (discover) of oil made this small town rich.
(4) This machine is __________ (use) to pick fruits in the farm.
(5) The Internet __________ (spread) all over the world in the 1990s.
(6) We are __________ (pride) of our country’s great ancient inventions.
(7) She has __________ (write) a report about great inventions already.
(8) The wheel was __________ (invent) thousands of years ago.
(9) This invention makes our life __________ (easy) than before.
(10) They __________ (not visit) the science museum yet.
四、补全对话（共5小题，每小题2分，共10分）
从方框中选择最佳选项完成对话，有两项多余。
A: Hi, Linda. Let’s talk about great inventions.
B: OK. They are very important to us.
A: 1. __________
B: I think the bicycle is the greatest invention.
A: 2. __________
B: Because it’s cheap and green, and it helps us travel easily.
A: 3. __________
B: It was invented over 200 years ago.
A: 4. __________
B: Yes, many people still ride bikes every day.
A: I agree with you. 5. __________
五、从方框中选择适当的词组，将其序号填入括号内（共10小题，每小题1分，共10分）
( )1. We can __________ different cultures by reading books.
( )2. Chinese kung fu is popular __________.
( )3. Forks __________ eating food in Western countries.
( )4. __________, people had no phones or computers.
( )5. With new technology, cities __________ every year.
( )6. We should know more about our __________.
( )7. Useful inventions always __________ to people’s life.
( )8. __________ my deskmate, I work out the math problem.
( )9. We all __________ our country’s long history and great inventions.
( )10. Paper-making, printing, compass and gunpowder are __________.
六、根据要求完成句子，每空一词（共10小题，每空1分，共10分）
1. This invention is very helpful.（改为同义句）
This invention is __________ __________.
2. I have finished my homework.（改为否定句）
I __________ __________ my homework.
3. Paper was made in ancient China.（改为一般疑问句）
__________ paper __________ in ancient China
4. The watch is useful. The phone is more useful.（合并为一句）
The phone is __________ useful __________ the watch.
5. He has lived here for five years.（改为同义句）
He has lived here __________ five years __________.
6. The tool helps me work quickly.（改为同义句）
The tool __________ me work __________.
7. People found the old machine last year.（改为被动语态）
The old machine __________ __________ last year.
8. This invention is important to us.（改为同义句）
This invention is __________ __________ us.
9. She can use the new tool well.（改为同义句）
She is __________ __________ use the new tool well.
10. I know many great inventions.（改为同义句）
I know a __________ __________ great inventions.
七、阅读理解（共5小题，每小题2分，共10分）
阅读下面短文，选择最佳答案。
China has four great inventions in ancient times. They are paper-making, printing, compass and gunpowder. These inventions have a great influence on the whole world.
Paper-making was invented about 2,000 years ago. Before paper was invented, people wrote on bamboo slips or silk. Paper is cheap and light, so it helps people record and spread knowledge easily.
Printing came after paper-making. It allowed people to print books quickly. More people could read books and get knowledge, which helped the development of culture.
The compass is a great invention for directions. It helped ancient people travel and sail safely, and it’s still useful today.
Gunpowder was first used for making fireworks, but later it was used in other fields.
These four great inventions are the pride of China, and they pushed the development of the world.
( )1. How many great ancient inventions does China have
A. Three. B. Four. C. Five. D. Six.
( )2. When was paper-making invented
A. About 1,000 years ago. B. About 2,000 years ago.
C. About 3,000 years ago. D. About 4,000 years ago.
( )3. What does the compass help people do
A. Print books. B. Record knowledge.
C. Know directions. D. Make fireworks.
( )4. Printing helped people __________.
A. print books quickly B. write on bamboo slips
C. travel safely D. make fireworks
( )5. What’s the best title of the passage
A. Modern Technology B. Four Great Inventions of China
C. Paper-making D. Great Discoveries
八、作文（共10分）
请以My Greatest Invention为题，写一篇英语短文，需满足以下要求：
1. 词数：80词左右；
2. 内容要点：①点明你心中最伟大的发明是什么；②简单介绍该发明的用途；③说明该发明对你的学习/生活带来的积极影响；
3. 要求：语句通顺，语法正确，拼写无误，书写规范，可适当发挥，不出现真实姓名、班级信息。

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参考答案
一、英汉互译
1. great inventions 2. discover 3. the four great inventions of China 4. invent sth. 5. be used to do sth./be used for doing sth. 6. 在古代 7. 产生很大影响 8. 发展成为 9. 传遍世界 10. 现代科技
二、单项选择题
1.C 2.B 3.B 4.B 5.C 6.A 7.C 8.B 9.B 10.A 11.B 12.B 13.C 14.A 15.C 16.B 17.A 18.A 19.A 20.A
三、单词填空
（一）首字母填空
1. discovery 2. inventor 3. created 4. important 5. technology 6. spread 7. direction 8. powerful 9. useful 10. convenient
（二）正确形式填空
1. inventions 2. has worked 3. discovery 4. used 5. spread 6. proud 7. written 8. invented 9. easier 10. haven’t visited
四、补全对话
1.A 2.C 3.B 4.G 5.D
五、词组选择
1.J 2.F 3.B 4.D 5.E 6.H 7.C 8.G 9.I 10.A
六、完成句子
1. very useful 2. haven’t finished 3. Was; made 4. more; than 5. since; ago 6. helps; fast 7. was found 8. helpful to 9. able to 10. lot of
七、阅读理解
1.B 2.B 3.C 4.A 5.B
八、作文
My Greatest Invention
I think the greatest invention is the computer. It was invented many years ago.
The computer is very useful. It helps us look up information quickly, study online and talk with friends easily.
It makes my study much easier. I can learn new knowledge online and finish my homework better with its help. It also brings me much fun in my free time. The computer is really a great invention.

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