1. ▶ Phrase Check ▶ Word Check ☞ Write the meanings of the words. ☞ Choose the correct word or phrase for each blank. 3 4 10 Science if it does, transportation, composed, almost, the Earth, about 20. Water is also important for farming, manufacturing, and. 21. About 60-70 percent of our body is of water. 22. not rain for a long time, crops will die. 23. People worry the pure drinkable water due to pollution nowadays. 24. all major cities in the world are placed by the river. 25. Water covers 71 percent the surface of. 1. compose2. vital 3. survival4. vapor 5. organisms6. deny 7. importance8. manufacturing 9. transportation10. crops 11. bloom12. major 13. surface14. glacier 15. floating16. pollution 17. common18. liquid 19. frozen

2. ▶ Reading Comprehension 1 ☞ Choose the best answer based on the article. What Water does We cannot live without water. About 60-70 percent of our body is composed of water. About 90 percent of our cell is water and 83 percent of our blood is also water. Water is so vital for the survival of our human-beings and all other organisms. No one can deny the importance of water. Water is also important for farming, manufacturing, and transportation. If it does not rain for a long time, crops will die. Most human cultures have bloomed by the river from the old days. Almost all major cities in the world are placed by the river. For example, Seoul has the Han River, London has the Thames River, Paris has the Seine River, and New York has the Hudson River. Water covers 71 percent the surface of the Earth. Oceans hold 97 percent of surface water, glaciers and polar ice caps 2.4 percent, and other land surface water such as rivers, lakes and ponds 0.6 percent. Though there is so much water all over the world, people worry about the pure drinkable water due to pollution nowadays. Water exists in several different forms such as common liquid water, frozen water of ice, snow, glaciers, floating vapors and clouds. 3 4 10 Science 26. What can we learn from the article? ① We can survive without water. Therefore, there's no cause for concern about a lack of water supply. ② Increasing water quantity rather than quality is more important because we need water every day. ③ All of the countries in this world are suffering from lack of fossil fuels such as coal and natural gases. ④ It is important to keep water clean and safe. Let's protect freshwater sources before it's too late! 27. The author mentions "the Han River, the Thames River, the Seine River, and the Hudson River“ in order to _____. ① criticize Western nations for wasting water ② give an example of major cities by the river ③ introduce the rivers of eastern Europe ④ emphasize the importance of water 28. The word "vital" in the article could not be replaced with ① essential ② significant ③ necessary ④ dispensable

3. ☞ Write True(T) or False(F). ▶ Reading Comprehension 2 3 4 10 Science What Water does We cannot live without water. About 60-70 percent of our body is composed of water. About 90 percent of our cell is water and 83 percent of our blood is also water. Water is so vital for the survival of our human-beings and all other organisms. No one can deny the importance of water. Water is also important for farming, manufacturing, and transportation. If it does not rain for a long time, crops will die. Most human cultures have bloomed by the river from the old days. Almost all major cities in the world are placed by the river. For example, Seoul has the Han River, London has the Thames River, Paris has the Seine River, and New York has the Hudson River. Water covers 71 percent the surface of the Earth. Oceans hold 97 percent of surface water, glaciers and polar ice caps 2.4 percent, and other land surface water such as rivers, lakes and ponds 0.6 percent. Though there is so much water all over the world, people worry about the pure drinkable water due to pollution nowadays. Water exists in several different forms such as common liquid water, frozen water of ice, snow, glaciers, floating vapors and clouds. 29. About 65 percent of our body is composed of water. _____ 30. If it does not rain for a long time, all crops will die at the end. _____

4. ▶ Phrase Check ▶ Word Check ☞ Write the meanings of the words. ☞ Choose the correct word or phrase for each blank. 3 4 10 Science if it does, transportation, composed, almost, the Earth, about 20. Water is also important for farming, manufacturing, and transportation. 21. About 60-70 percent of our body is composed of water. 22. If it does not rain for a long time, crops will die. 23. People worry about the pure drinkable water due to pollution nowadays. 24. Almost all major cities in the world are placed by the river. 25. Water covers 71 percent the surface of the Earth. 1. compose [ 구성하다 ]2. vital [ 필수적인 ] 3. survival [ 생존 ]4. vapor [ 수증기 ] 5. organisms [ 생물체 ]6. deny [ 부정하다 ] 7. importance [ 중요함 ]8. manufacturing [ 제조업 ] 9. transportation [ 운수업 ]10. crops [ 농작물 ] 11. bloom [ 꽃피다 ]12. major [ 주요한 ] 13. surface [ 표면 ]14. glacier [ 빙하 ] 15. floating [ 떠다니는 ]16. pollution [ 공해 ] 17. common [ 흔한 ]18. liquid [ 액체 ] 19. frozen [ 얼은 ]

5. ▶ Reading Comprehension 1 ☞ Choose the best answer based on the article. What Water does We cannot live without water. About 60-70 percent of our body is composed of water. About 90 percent of our cell is water and 83 percent of our blood is also water. Water is so vital for the survival of our human-beings and all other organisms. No one can deny the importance of water. Water is also important for farming, manufacturing, and transportation. If it does not rain for a long time, crops will die. Most human cultures have bloomed by the river from the old days. Almost all major cities in the world are placed by the river. For example, Seoul has the Han River, London has the Thames River, Paris has the Seine River, and New York has the Hudson River. Water covers 71 percent the surface of the Earth. Oceans hold 97 percent of surface water, glaciers and polar ice caps 2.4 percent, and other land surface water such as rivers, lakes and ponds 0.6 percent. Though there is so much water all over the world, people worry about the pure drinkable water due to pollution nowadays. Water exists in several different forms such as common liquid water, frozen water of ice, snow, glaciers, floating vapors and clouds. 3 4 10 Science 26. What can we learn from the article? [4] ① We can survive without water. Therefore, there's no cause for concern about a lack of water supply. ② Increasing water quantity rather than quality is more important because we need water every day. ③ All of the countries in this world are suffering from lack of fossil fuels such as coal and natural gases. ④ It is important to keep water clean and safe. Let's protect freshwater sources before it's too late! 27. The author mentions "the Han River, the Thames River, the Seine River, and the Hudson River“ in order to _____. [2] ① criticize Western nations for wasting water ② give an example of major cities by the river ③ introduce the rivers of eastern Europe ④ emphasize the importance of water 28. The word "vital" in the article could not be replaced with [4] ① essential ② significant ③ necessary ④ dispensable

6. ☞ Write True(T) or False(F). ▶ Reading Comprehension 2 3 4 10 Science What Water does We cannot live without water. About 60-70 percent of our body is composed of water. About 90 percent of our cell is water and 83 percent of our blood is also water. Water is so vital for the survival of our human-beings and all other organisms. No one can deny the importance of water. Water is also important for farming, manufacturing, and transportation. If it does not rain for a long time, crops will die. Most human cultures have bloomed by the river from the old days. Almost all major cities in the world are placed by the river. For example, Seoul has the Han River, London has the Thames River, Paris has the Seine River, and New York has the Hudson River. Water covers 71 percent the surface of the Earth. Oceans hold 97 percent of surface water, glaciers and polar ice caps 2.4 percent, and other land surface water such as rivers, lakes and ponds 0.6 percent. Though there is so much water all over the world, people worry about the pure drinkable water due to pollution nowadays. Water exists in several different forms such as common liquid water, frozen water of ice, snow, glaciers, floating vapors and clouds. 29. About 65 percent of our body is composed of water. [T] 30. If it does not rain for a long time, all crops will die at the end. [T]