Tiêu đề HS - PRACTICE TEST Unit 4.docx ✅

PRACTICE TEST \ Unit 4 PART 1 \ USE OF ENGLISH (40 POINTS) Choose the word that has the underlined part pronounced differently from the others. 1. A. solar B. power C. cool D. biofuel 2. A. air B. dam C. gas D. traffic 3. A. trees B. seas C. forests D. lands Choose the word that has a stress pattern different from the others. 4. A. development B. approximate C. environment D. unemployment 5. A. sustainable B. transportation C. renewable D. development Circle the letter A, B, C or D to indicate the best option for each of the questions. 6. In the United States, fossil fuels were the main sources to _________ about 60% of total electricity generation in 2020. A. produce B. product C. producing D. be produced 7. Global temperatures and sea levels _______ more quickly than many people think, which is a huge problem. A. are increasing B. are reducing C. have been increased D. have been decreased 8. Climate scientists are discussing the _______ of the Amazon rainforest deforestation. A. complexion B. complicated C. complexity D. complex 9. Forests can _______ down hot air by absorbing carbon dioxide and releasing oxygen. A. warm B. cool C. remove D. heat 10. The ________ of around 40% of the world's forests has serious impacts on over 1 billion people who live in and around forests. A. disappear B. disappearing C. disappearance D. being disappeared 11. The average word's temperature has risen _______ about 0.8 degrees Celsius over the past 100 years. A. at B. by C. to D. from 12. Reducing the amount of carbon dioxide in the atmosphere mainly aims to ________ global climate change. A. preventable B. preventing C. prevent D. prevention 13. Fossil fuels like coal, oil and natural gas account for 81% _______ the total energy used in the USA.