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 (đập, đê) 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 the 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
2.C
3.D
4.B
5.A
6.A
7.B
8.D
9.C
10.A
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
