----- Nội dung dịch tự động từ ảnh ----- Are you looking for a cheap. clean, effective (1) resources? Look no further than solar energy (2)_ of coals, and gas, oil or nuclear power. This power could be provided by the Sun. One percent of the solar energy that reaches the Earth is enough to provide power for the of power that doesn't cause pollution or waste natural our Sun. Al present, most of our electricity comes from the use (3) population Many countries are already using solar energy. Solar panels are placed on the roofs of a house and the Sun's energy is used (4). solar energy, too. Question LA. source water. The energy can be stored for a mumber of days; so on (5)_ days you can use В. kind type D. way C. of C. total C. heating Question 2. A. in B. from D. above Question 3.A. all B. recent D. enonnous Question 4. A. heat Question 5. A. cloudy B. cloudless B. to heat D. heated C. sunny D. beautiful