Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions. Solar energy is a long lasting source of energy, and it can be used almost anywhere. To generate solar energy, we only need solar cells and the sun! Solar cells can easily be installed on house roofs, so we do not need any new space. Compared to other renewable sources, they also posses many advantages: wind and water power rely on turbines which are noisy, expensive and which take up large space. Solar cells are totally silent and non-polluting. As they have no moving parts, they require little maintenance and have a long lifetime. 33. What is the passage mainly about? A. solar energy. B. the advantages of solar cells. C. the disadvantages of solar cells. D. renewable energies. 34. Why dont we need new space in order to use solar energy? A. Because solar energy can be used anywhere. B. Because solar cells are small. C. Because solar cells can be installed on house roofs. D. Because solar energy is long lasting. 35. What does the word they in line 3 refer to? A. solar cells B. advantages C. renewable energies D. turbines 36. What are the disadvantages of other renewable sources? A. Wind and water power rely on turbines which are noisy, expensive and which take up large space. B. Wind and water power rely on turbines which are noisy, expensive. C. Wind and water power rely on turbines which take up large space. D. They are noisy, expensive and which take up large space. 37. What is NOT listed in the passage as an advantage of solar cells? A. They are non-polluting B. They are quiet. C. They have a long lifetime. D. They are cheap.