----- Nội dung dịch tự động từ ảnh ----- 2. Read the passage and answer the questions below. (2ms) Rivers are one of the world's most important natural resources. Many cities are on large rivers and almost every country has at least one river that plays 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 banks. And in order to get water for crops, a dam is built across a river. People can use water not only to irrigate but also to make electricity. However, several rivers are polluted when industries develop. It is necessary to keep rivers clean if people want to get benefits of the natural resources. a) Are rivers important in people's lives? c) Why is a dam built across a river? b) What do rivers provide people with? d) When are rivers polluted?