Unit 6 When was it invented?提优突破专项（含答案）2025-2026学年人教版九年级英语全册

人教版九年级英语全册Unit 6 When was it invented 提优突破专项
一、根据音标写单词
1. / n vent/ ______
2. / n ven n/ ______
3. /m i n/ ______
4. / k p bl/ ______
5. / ple (r)/ ______
6. / k mju n ke t/ ______
7. / de nd r s/ ______
8. / ju sfl/ ______
9. / rez ve n/______
10. / d p te n/______
二、根据中文提示写短语
1. 被发明 ______
2. 偶然 ______
3. 错误地 ______
4. 用于做某事 ______
5. 智能手机的发展 ______
6. 有重大影响 ______
7. 日常发明 ______
8. 讨论发明的利与弊 ______
9. 最新科技产品 ______
10. 最实用的发明 ______
三、用所给词的适当形式填空（本单元语法：一般过去时的被动语态等）
1. The telephone ______ (invent) by Alexander Graham Bell in 1876.
2. Potato chips ______ (create) by mistake over 150 years ago.
3. It's interesting ______ (learn) about the history of inventions.
4. This kind of machine ______ (use) to make noodles.
5. The new app ______ (download) by millions of people since last month.
6. If you ______ (not follow) the instructions, the machine ______ (not work) well.
7. He wondered when the first computer ______ (develop).
8. The story about how the lamp ______ (invent) is very interesting.
9. These old photos ______ (take) with a camera that was invented in the 1990s.
10. The scientist spent years ______ (improve) the invention.
四、单项选择
1. The light bulb ______ by Edison.
A. invents B. invented C. was invented D. is invented
2. —______ was the telephone invented
—In 1876.
A. When B. Where C. How D. Why
3. The game ______ by lots of kids now.
A. enjoys B. is enjoyed C. enjoyed D. was enjoyed
4. Sugar ______ to the tea to make it sweet.
A. adds B. added C. is added D. was added
5. —Do you know ______ the first car ______
—In Germany.
A. when; invented B. where; was invented C. how; invented D. why; was invented
6. This kind of paper ______ bamboo.
A. is made of B. is made from C. is made in D. is made by
7. The mistake ______ by the clever boy, and he fixed it at once.
A. was found B. found C. is found D. finds
8. It's said that the new medicine ______ a lot of patients already.
A. helps B. helped C. has helped D. will help
9. —What ______ the knife ______ for
—Cutting things.
A. is; used B. does; use C. was; using D. is; using
10. The story ______ by my grandma when I was a child.
A. tells B. is told C. was told D. told
五、根据汉语完成句子
1. 拉链是在1893年发明的。
The zipper ______ ______ in 1893.
2. 这种饮料是偶然发明的。
This kind of drink ______ ______ ______ ______.
3. 你知道茶叶是怎么被发明的吗？
Do you know how tea ______ ______
4. 电脑被用来做很多事情。
Computers ______ ______ ______ many things.
5. 自从去年以来，这款新手机已经被销售了一百万部。
This new mobile phone ______ ______ ______ one million times since last year.
6. 如果我们正确使用它，这个发明会很有用。
If we use it correctly, the invention ______ ______ very ______.
7. 他想知道这种机器是何时被引进中国的。
He wondered when this kind of machine ______ ______ ______ China.
8. 这部电影是用一部旧相机拍摄的。
The movie ______ ______ ______ an old camera.
9. 科学家们花了十年时间改进这个发明。
Scientists spent ten years ______ ______ the invention.
10. 据说这种新方法已经帮助了很多学生。
It's said that this new method ______ ______ many students.
六、阅读理解
The smartwatch is a popular invention in recent years. It is not just a watch but can also make phone calls, send messages, and even track health data. The first smartwatch was developed in the early 2000s, but it wasn't popular then because of its large size and high price.
Over time, smartwatches have become smaller, cheaper, and more useful. Now, many people use them to check the time, monitor their heart rate, and set reminders. Some can even connect to other devices like smartphones and headphones.
The invention of the smartwatch has changed how people live and communicate. It shows how technology keeps improving to meet people's needs.
1. What can a smartwatch do
A. Make phone calls and send messages B. Track health data
C. Check the time D. All of the above
2. When was the first smartwatch developed
A. In the 1990s B. In the early 2000s C. In the 2010s D. Last year
3. Why wasn't the first smartwatch popular
A. Because it was too small B. Because it was too cheap
C. Because of its large size and high price D. Because people didn't need it
4. What can some smartwatches connect to
A. Smartphones and headphones B. TVs and refrigerators
C. Cars and bikes D. Books and pens
5. What does the invention of the smartwatch show
A. Technology stops improving B. Technology keeps improving to meet people's needs
C. People don't need new inventions D. Inventions are always expensive
答案
一、1. invent 2. invention 3. machine 4. capable 5. pleasure 6. communicate 7. dangerous 8. useful 9. reservation 10. adaptation
二、1. be invented 2. by accident 3. by mistake 4. be used for doing sth. 5. the development of smartphones 6. have a great influence 7. daily inventions 8. discuss the advantages and disadvantages of inventions 9. the latest technology products 10. the most practical invention
三、1. was invented 2. were created 3. to learn 4. is used 5. has been downloaded 6. don't follow; won't work 7. was developed 8. was invented 9. were taken 10. improving
四、1. C 2. A 3. B 4. C 5. B 6. B 7. A 8. C 9. A 10. C
五、1. was invented 2. was invented by accident 3. was invented 4. are used for 5. has been sold 6. will be; useful 7. was introduced into 8. was taken with 9. improving 10. has helped
六、1. D 2. B 3. C 4. A 5. B