内容正文:
九年级下册Unit 2重点知识强化练习
一、用括号内所给单词的适当形式填空(20题)
1. Thomas Edison was a great ________ (inventor) who created many useful things.
2. The Wright brothers ________ (invent) the first successful airplane in 1903.
3. Columbus was a famous ________ (explorer) who discovered America.
4. Nelson Mandela was a ________ (fighter) for freedom and equality in South Africa.
5. The light bulb is one of the most important ________ (invention) in history.
6. Leonardo da Vinci was an ________ (Italian) artist and scientist.
7. Beethoven, a famous musician, was a ________ (European).
8. Yuri Gagarin, the first astronaut in space, was a ________ (Russian).
9. The ________ (pilot) successfully landed the plane in bad weather.
10. He joined the ________ (navy) and ________ (serve) for five years.
11. The new ________ (aircraft) will be ________ (test) next month.
12. Neil Armstrong was the first ________ (astronaut) to walk on the moon.
13. The ________ (spacecraft) has been in orbit for three months.
14. The car went ________ (out of control) and hit a tree.
15. The ________ (giant) leap for mankind was taken by Armstrong in 1969.
16. Marie Curie, a great ________ (scientist), discovered ________ (radium).
17. This new ________ (discovery) will help treat many diseases.
18. Yuan Longping made great contributions to ________ (agriculture) by developing hybrid rice.
19. The ________ (production) of this crop has increased by 30% this year.
20. His research has promoted the ________ (development) of modern medicine.
二、根据首字母及句意补全单词(10题)
1. She has a driver’s l________ and can drive legally.
2. The captain gave an o________ to turn the ship around.
3. The Pacific O________ is the largest ocean on Earth.
4. The spaceship will l________ on the moon’s surface tomorrow.
5. We take p________ in our country’s rapid development.
6. This new technology is w________ used in hospitals.
7. Hybrid rice has many a________ over traditional rice, such as higher yield.
8. At p________, more and more people are paying attention to environmental protection.
9. His c________ to science will never be forgotten.
10. Mathematics is an important subject for all s________.
三、语法专练(用括号内所给单词的适当形式填空)
1. The first computer ________ (invent) by Charles Babbage in the 19th century.
2. She ________ (serve) in the navy for ten years before she retired.
3. It’s amazing ________ (think) about how much technology ________ (change) our lives.
4. When the storm came, the plane ________ (fly) over the Pacific Ocean.
5. The astronaut ________ (step) onto the moon’s surface for the first time in 1969.
6. If we ________ (not develop) hybrid rice, many people would go hungry.
7. Marie Curie ________ (work) in the laboratory when she made the discovery of radium.
8. The number of inventions ________ (increase) rapidly in the past 100 years.
9. He is proud of ________ (be) a citizen of his country.
10. The teacher ordered us ________ (finish) the experiment before Friday.
四、根据汉语意思完成句子(10题)
1. 爱迪生发明了电灯泡,这是一项伟大的发明。
Edison ________ the light bulb, which was a great ________.
2. 这位飞行员在海军服役了八年。
The ________ ________ in the navy for eight years.
3. 阿姆斯特朗的登月是人类的一大步。
Armstrong’s moon landing was a ________ ________ for ________.
4. 居里夫人在实验室里发现了镭。
Madame Curie ________ radium in the ________.
5. 袁隆平为农业做出了巨大贡献。
Yuan Longping made great ________ to ________.
6. 目前,这种技术被广泛应用于医学领域。
________ ________, this technology is ________ ________ in the medical field.
7. 那架飞机失去了控制,最终坠入了大海。
The plane went ________ ________ ________ and finally crashed into the ________.
8. 他碰巧在图书馆遇到了那位著名教授。
He ________ ________ meet the famous ________ in the library.
9. 这项新发现将有助于提高粮食产量。
This new ________ will help ________ grain ________.
10. 作为一名公民,我们应该为国家的发展感到自豪。
As a ________, we should take ________ in our country’s ________.
五、句型转换
1. The Wright brothers invented the airplane in 1903.(对划线部分提问,划线部分:the airplane)
________ ________ the Wright brothers ________ in 1903?
2. Marie Curie discovered radium.(改为被动语态)
Radium ________ ________ by Marie Curie.
3. He served in the navy for five years.(改为一般疑问句)
________ he ________ in the navy for five years?
4. This invention is very important.(改为感叹句)
________ ________ this invention is!
5. The spacecraft will land on Mars next year.(对划线部分提问,划线部分:next year)
________ ________ the spacecraft ________ on Mars?
6. He is proud of his father’s achievements.(改为同义句)
He takes ________ ________ his father’s achievements.
7. They are testing the new aircraft.(改为否定句)
They ________ ________ the new aircraft.
8. The teacher ordered the students to stop talking.(对划线部分提问,划线部分:to stop talking)
________ ________ the teacher ________ the students ________ ________?
9. Yuan Longping developed hybrid rice to fight hunger.(对划线部分提问,划线部分:to fight hunger)
________ ________ Yuan Longping ________ hybrid rice?
10. This technology is widely used in our daily life.(改为主动语态)
People ________ this technology ________ in our daily life.
答案
一、用括号内所给单词的适当形式填空
1. inventor
2. invented
3. explorer
4. fighter
5. inventions
6. Italian
7. European
8. Russian
9. pilot
10. navy; served
11. aircraft; tested
12. astronaut
13. spacecraft
14. out of control
15. giant
16. scientist; radium
17. discovery
18. agriculture
19. production
20. development
二、根据首字母及句意补全单词
1. licence
2. order
3. Ocean
4. land
5. pride
6. widely
7. advantages
8. present
9. contribution
10. scientists
三、语法专练
1. was invented
2. had served
3. to think; has changed
4. was flying
5. stepped
6. didn’t develop
7. was working
8. has increased
9. being
10. to finish
四、根据汉语意思完成句子
1. invented; invention
2. pilot served
3. giant leap; mankind
4. discovered; laboratory
5. contributions; agriculture
6. At present; widely used
7. out of control; ocean
8. happened to; professor
9. discovery; increase; production
10. citizen; pride; development
五、句型转换
1. What did; invent
2. was discovered
3. Did; serve
4. How important
5. When will; land
6. pride in
7. aren’t testing
8. What did; order; to do
9. Why did; develop
10. use; widely
学科网(北京)股份有限公司
$$