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Unit 5 Lesson 5 Refrigerator timeline练习题
Ⅰ. 根据句意及所给提示完成句子
1. To save ________ (能源), we should turn off the light before we leave the room.
2. The development of ________ (用电的) cars helps protect our environment.
3. Printing was ________ (发明) by the Chinese in the 7th century.
4. Hanfu, a kind of a ________ Chinese clothes, are getting more popular among young Chinese people now.
5. The physics teacher told us that water f________ at 0℃.
Ⅱ. 根据汉语意思完成句子
6. 事实上,石家庄真的是一个让你休闲放松的好地方。
________ ________, Shijiazhuang is really a good place to enjoy and relax yourself.
7. 长城是中国的象征。
The Great Wall is ________ ________ ________ China.
8. 上周这个小镇经历了一场暴风雨。
The small town ________ ________ a rainstorm last week.
9. 为了避免生病,我们应该在吃饭前洗手。
We should wash hands before eating to avoid ________ ________.
10. 为了准备去张家口的旅行,贝蒂正在列要带的物品的清单。
To prepare for the trip to Zhangjiakou, Betty is ________ ________ ________ ________ things to take.
Ⅲ. 用方框中所给单词的适当形式填空
preserve, concisely, energy-saving, icebox, chill
11. Adding salt to meat is a traditional way to ________ it for a long time.
12. A long time ago, people used ________ to keep food fresh.
13. You can make the watermelon taste better by ________ it before cutting it.
14. This ________ washing machine only uses half the water of the old one—it is good for saving resources.
15. The teacher asked us to answer the question ________—no more than three sentences.
Ⅳ. 完形填空
The fridge plays an important role in our daily life. It is a necessity in the 16 .
In the past people used icehouses to cool food and stop it from going 17 . During hundreds of years, some inventions 18 the modern fridge. Among those people who helped to invent the fridge, Carl von Linde was the most important.
Several men were helpful to the invention of the fridge before Linde’s work. For example, in 1805, Oliver Evans 19 the first refrigeration machine. It was mentioned in history books.
However, Carl von Linde played the largest 20 in the invention of the modern fridge. In 1876, he invented a process of liquefying gases and it formed the technology used in the modern fridge. In 1879, he started a company called Linde AG and went on to 21 his fridges.
Then Freon was introduced as part of the fridge but later people found it was 22 to the environment.
The invention of the fridge 23 families to keep food for a long time. It also allows people to enjoy food from foreign lands. However, this 24 in lifestyle increased processed food consumption.
Frozen foods are very popular now, but they’re not good for 25 . So we are advised to eat more fresh foods.
( )16. A. park B. cinema C. museum D. kitchen
( )17. A. bad B. fresh C. hard D. cool
( )18. A. used to B. led to C. cut into D. turned into
( )19. A. suggested B. bought C. introduced D. designed
( )20. A. role B. work C. activity D. performance
( )21. A. prepare B. increase C. improve D. rise
( )22. A. helpful B. similar C. harmful D. important
( )23. A. allows B. makes C. keeps D. continues
( )24. A. fact B. change C. product D. invention
( )25. A. treasure B. opinions C. deals D. health
Ⅴ. 阅读理解
The United States Department of Defense first used a service called ARPANET in the 1960s. Then, in 1990, Tim Berners-Lee invented the World Wide Web. Today, more than 5.5 billion people in the world use the internet. It is such a powerful invention that we’ve probably begun to see its long-term effects.
How can one travel 7,000 kilometres in 8 hours? Fly! We all should be thankful to Orville Wright and Wilbur Wright, commonly known as the Wright brothers. They made the first real plane in 1903. But it could fly in the air for only 12 seconds. Later, other inventors improved it and made planes become a common means of transportation in life.
Steven Sasson, a Kodak engineer, invented the first digital camera in 1975. The first digital camera had just 0.01 megapixels, but now, we have digital cameras with up to 160 megapixels. Nearly every smartphone has its own digital camera connected to its back and front.
The fridge is the greatest household appliance in history. Before the invention of the fridge, people had to cool their food by using ice and snow. In 1805, Oliver Evans invented the first refrigeration machine. But it was Jacob Perkins who made the first practical fridge in 1834.
( )26.What is the speed of an airplane according to the passage?
A. 875 km/h. B. 7 km/h. C. 875 m/h. D. 700 m/h.
( )27. Who was the inventor of the first practical fridge?
A. Oliver Evans. B. Wilbur Wright. C. Jacob Perkins. D. Steven Sasson.
( )28. What can we learn from the passage?
A. The first real plane could fly for only 12 seconds.
B. People had to cool their food with water before 1834.
C. Tim Berners-Lee invented the World Wide Web in the 1960s.
D. Every smartphone has its own digital camera connected to only the front.
( )29. In which section of the newspaper would you probably read this article?
A. News. B. Travel. C. Health. D. Science.
参考答案
Ⅰ. 1. energy 2. electric 3. invented 4. ancient 5. freezes
Ⅱ. 6. In fact 7. a symbol of 8. went through 9. getting sick 10. making a list of
Ⅲ. 11. preserve 12. iceboxes 13. chilling 14. energy-saving 15. concisely
Ⅳ. 16—20 DABDA 21—25 CCABD
Ⅴ. 26—29 ACAD
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