Bài tập IELTS Reading multiple choice 2 Nga Lương - July 2, 2024 0 27. What does the Big Bang Theory primarily explain? A. The nature of black holes. B. The origin of the universe. C. The discovery of exoplanets. D. The role of dark matter. None 28. What is a black hole? A. A region in space with extremely high gravity. B. A newly discovered exoplanet. C. A source of cosmic microwave background radiation. D. A type of dark matter particle. None 29. Why are exoplanets significant in scientific research? A. They help explain the expansion of the universe. B. They may have conditions suitable for life. C. They provide evidence for dark energy. D. They are easier to study than planets in our solar system. None 30. What did Edwin Hubble discover about the universe? A. It contains numerous black holes. B. It is expanding. C. It has a large number of exoplanets. D. It is made up of dark matter and dark energy. None 31. What is one of the major goals of future space exploration? A. To find definitive evidence of dark matter. B. To study the cosmic microwave background radiation. C. To ensure the long-term survival of humanity. D. To observe gravitational waves. None Time's up