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1. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. Solar panels should be placed on our ______ at home to catch the energy. A. roof B. basement C. floor D. balcony 2. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. Non-renewable energy means that it will ______ if we use it. A. run away B. run off C. run out D. go away 3. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. Watching less TV can help ______ electricity. A. give B. stop C. use D. save 4. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. Biogas energy can be ______ as it negatively affects human health. A. dangerous B. harmless C. abundant D. expensive 5. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. Take ______ your coat, please. It’s very warm in this building. A. on B. out C. in D. off 6. Câu Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. 6. ______ hydro energy is clean and safe, it is expensive. A. In spite of B. Though C. Regardless of D. But 7. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. Wind energy is less ______ than coal energy. A. dangerous B. essential C. safe D. clean 8. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. Tomorrow Daisy will be ______ a talk about the environment. A. saying B. giving C. making D. showing 9. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. Solar and wind energy can be used to solve the problem of energy ______. A. shortage B. abundance C. level D. distribution 10. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. ______ its advantages, wind energy has some disadvantages. A. In spite B. Despite C. Though D. But 11. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. Natural resources play a ______ role in human existence. A. essential B. important C. vital D. unimportant 12. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. When it’s sunny, I often ______ for a picnic. A. go B. stay home C. like D. see 13. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. We recycle ______ paper to preserve trees. A. waste B. wasted C. wasteful D. wasting 14. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. ______, the tendency of using renewable energy in developing countries is on the increase. A. Perhaps B. Fortunately C. Unluckily D. Hilariously Đáp án B – câu hỏi từ vựng 15. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. Traffic accidents can be prevented if people ______ the rules. A. obey B. make C. take care of D. beat 16. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. Dams cannot be built in certain areas, and that is one of the ______ why water energy availability is limited. A. facts B. possibilities C. things D. reasons 17. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. I know his name, but I can’t recall it at the moment. It’s on the tip of my ______. A. tongue B. brain C. mind D. memory 18. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. Many people often go to the ______ on the first and fifteenth of the lunar month. A. park B. church C. stadium D. pagoda 19. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. She smiled ______ me in a friendly way when she saw me. A. at B. with C. to D. on 20. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. I am under the ______. I just want to go home and rest. A. weather B. age C. storm D. house

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