Unit 2 Great inventions and discoveries（单元自测练习卷）-2025-2026学年英语沪教版（五四学制）八年级下册

Unit 2 Great Inventions and Discoveries 综合测试卷

班级：________ 姓名：________ 学号：________

Ⅰ. 单项选择

从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。

1. The invention of the ______ made it possible for people to travel long distances quickly.

A. wheel  B. light bulb  C. computer  D. airplane

2. Many great discoveries ______ made by scientists who are very observant and patient.

A. is  B. are  C. was  D. were

3. We should learn from ______ like Edison and never give up easily.

A. inventors  B. doctors  C. teachers  D. drivers

4. This machine can ______ difficult math problems in a few seconds.

A. create  B. solve  C. discover  D. imagine

5. The smartphone is one of the most useful ______ in the 21st century.

A. accidents  B. inventions  C. competitions  D. traditions

6. —______ did the development of the Internet change our lives?

—It changed the way we communicate, work and learn.

A. What  B. Why  C. How  D. When

7. It’s amazing that the ancient people ______ build such great buildings without modern tools.

A. are able to  B. were able to  C. will be able to  D. have been able to

8. ______ the invention of paper, people recorded information on wood or bamboo.

A. Before  B. After  C. Since  D. Until

9. The scientist spent years ______ a new medicine to help sick people.

A. test  B. testing  C. to test  D. tested

10. —What do you think is the most important invention?

—It’s hard to say. But I think the printing press changed the world greatly because it ______ knowledge to spread widely.

A. allowed  B. stopped  C. prevented  D. refused

11. Every invention started with a small ______ in someone’s mind.

A. question  B. problem  C. idea  D. mistake

12. The discovery of electricity ______ the way people live and work.

A. kept  B. changed  C. protected  D. caused

13. —Who ______ the theory of relativity?

—Albert Einstein, a famous physicist.

A. found  B. invented  C. discovered  D. created

14. Technology is developing so fast that we need to keep ______ new things.

A. learn  B. learning  C. learned  D. to learn

Ⅱ. 词汇运用

（一）根据句意及首字母提示完成单词

1. The i______ of the telephone changed the way people communicate.

2. Scientists have made many important d______ in the field of medicine.

3. The printing press made it possible to p______ books quickly and cheaply.

4. We should use technology w______ and not let it control our lives.

5. His i______ was so creative that it won first prize in the competition.

6. The development of a______ helps farmers grow more food with less work.

7. Before the i______ of the light bulb, people used candles for light at night.

8. We must a______ our mistakes and learn from them to make progress.

（二）用所给单词的适当形式填空

1. Alexander Graham Bell ______ (invent) the telephone in 1876.

2. By the time we arrived, the scientist ______ (already/start) his speech about great discoveries.

3. The students ______ (discuss) the influence of inventions on our lives when the teacher came in.

4. If we ______ (know) more about science, we can understand the world better.

5. It is meaningful ______ (learn) about the history of great inventions.

6. The ______ (develop) of high-speed trains has made traveling much more convenient.

7. She ______ (write) three papers on new discoveries so far this year.

8. The ______ (science) are working hard to find new ways to solve the energy problem.

Ⅲ. 句型转换

按要求改写下列句子，每空一词。

1. The computer has changed our lives greatly.（改为一般疑问句）

______ the computer ______ our lives greatly?

2. Edison invented the light bulb.（改为被动语态）

The light bulb ______ ______ by Edison.

3. The invention of the wheel is very important.（改为感叹句）

______ ______ the invention of the wheel is!