Complete the sentence with the words in the box
----- Nội dung ảnh -----
**Nội dung ảnh:**
Exercise 5. Complete the sentence with the words in the box.
**contaminated, untreated, dead, pollutant, radioactive, sewage, aquatic, poison**
1. **___** or wastewater should be treated before it is discharged into the river or ocean.
2. More and more waste and **___** are poured into the water, the soil and the air.
3. The **___** material is stored in a special radiation-proof container.
4. Oil spills can cause the death of **___** animals such as fish.
5. **___** sewage can spread disease and contaminate drinking water sources.
6. Cholera is transmitted through **___** water.
7. The health **___** of air pollution include heart disease, lung cancer, and asthma.
8. Carbon dioxide is a dangerous air.
9. Over 150,000 tonnes of waste are **___** annually along the coastline.
10. Up to 100,000 fish were found **___** along the river last week.
Exercise 9. Choose the correct word A, B, C or D for each gap to complete the following passage.
Rivers are (1) **____** of the world’s most important natural resources. Many cities are on large rivers, and (2) **____** every country has at least one river that (3) **____** an important part in the lives of its people. Besides transportation, rivers (4) **____** food, water for crops, water to drink, and opportunities for recreation for people who live along their (5) **____**. And in order to get water for crops, engineers sometimes build a dam across a river and let the water become a lake (6) **____** the dam. Then people can use their water not only to (7) **____** fields but also to make electricity for homes and industries.
(8) **____**, the water often becomes polluted when cities on river banks grow (9) **____** size and the number of industries increases. We are learning that it is necessary to (10) **____** rivers clean if we want to enjoy the benefits of natural resources.
1. A. one
B. ones
C. among
D. those
2. A. most
B. mostly
C. almost
D. about
3. A. takes
B. makes
C. occupies
D. plays
4. A. supply
B. provide
C. distribute
D. bring
5. A. banks
B. shores
C. sides
D. beaches
6. A. behind
B. on
C. in
D. with
7. A. take
B. irrigate
C. drain
D. give
8. A. Moreover
B. Therefore
C. Thus
D. However
9. A. in
B. to
C. about
D. for
10. A. keep
B. get
C. hold
D. maintain
**Nội dung ảnh:**
Exercise 5. Complete the sentence with the words in the box.
**contaminated, untreated, dead, pollutant, radioactive, sewage, aquatic, poison**
1. **___** or wastewater should be treated before it is discharged into the river or ocean.
2. More and more waste and **___** are poured into the water, the soil and the air.
3. The **___** material is stored in a special radiation-proof container.
4. Oil spills can cause the death of **___** animals such as fish.
5. **___** sewage can spread disease and contaminate drinking water sources.
6. Cholera is transmitted through **___** water.
7. The health **___** of air pollution include heart disease, lung cancer, and asthma.
8. Carbon dioxide is a dangerous air.
9. Over 150,000 tonnes of waste are **___** annually along the coastline.
10. Up to 100,000 fish were found **___** along the river last week.
Exercise 9. Choose the correct word A, B, C or D for each gap to complete the following passage.
Rivers are (1) **____** of the world’s most important natural resources. Many cities are on large rivers, and (2) **____** every country has at least one river that (3) **____** an important part in the lives of its people. Besides transportation, rivers (4) **____** food, water for crops, water to drink, and opportunities for recreation for people who live along their (5) **____**. And in order to get water for crops, engineers sometimes build a dam across a river and let the water become a lake (6) **____** the dam. Then people can use their water not only to (7) **____** fields but also to make electricity for homes and industries.
(8) **____**, the water often becomes polluted when cities on river banks grow (9) **____** size and the number of industries increases. We are learning that it is necessary to (10) **____** rivers clean if we want to enjoy the benefits of natural resources.
1. A. one
B. ones
C. among
D. those
2. A. most
B. mostly
C. almost
D. about
3. A. takes
B. makes
C. occupies
D. plays
4. A. supply
B. provide
C. distribute
D. bring
5. A. banks
B. shores
C. sides
D. beaches
6. A. behind
B. on
C. in
D. with
7. A. take
B. irrigate
C. drain
D. give
8. A. Moreover
B. Therefore
C. Thus
D. However
9. A. in
B. to
C. about
D. for
10. A. keep
B. get
C. hold
D. maintain