Choose the best option
Choose the best option A, B, C or D to complete the following passage. (1,25 pts)
Rivers are one of the world's most important natural (1). Many cities are on large rivers, and almost every country has at least one river that .......... (2) an important part in the lives of its people.
Besides transportation, rivers provide food, water for crops, water to drink, and opportunities for recreation for people who live along their ........... (3) . And in order to get water for crops, engineers sometimes ..............(4) a dam across a river and let the water become a lake behind the dam. Then people use their water not only to irrigate fields .................(5) to make electricity for home and industries.
Rivers are one of the world's most important natural (1). Many cities are on large rivers, and almost every country has at least one river that .......... (2) an important part in the lives of its people.
Besides transportation, rivers provide food, water for crops, water to drink, and opportunities for recreation for people who live along their ........... (3) . And in order to get water for crops, engineers sometimes ..............(4) a dam across a river and let the water become a lake behind the dam. Then people use their water not only to irrigate fields .................(5) to make electricity for home and industries.