Exercise 11. 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. below D. under
7. A. take B. irrigate C. drain D. give
8. A. Moreover B. Therefore C. Thus D. However
9. A. of B. about C. in D. for
10. A. keep B. get C. hold D. maintain
1.A. one
2.C. almost
3.D. plays
4.B. provide
5.A. banks
6.A. behind
7.B. irrigate
8.D. However
9.C. in
10.D. maintain
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. below D. under
7. A. take B. irrigate C. drain D. give
8. A. Moreover B. Therefore C. Thus D. However
9. A. of B. about C. in D. for
10. A. keep B. get C. hold D. maintain
