Questions 5 to 8 are based on the conversation you have just heard.

Directions: In this section, you will hear two long conversations. At the end of each conversation, you will hear four questions. Both the conversation and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D). Then mark the corresponding letter on Answer Sheet I with a single line through the centre.
  • A A journal reporting the latest progress in physics.
  • B An introductory course of modern physics.
  • C An occasion for physicists to exchange ideas.
  • D A series of interviews with outstanding physicists.
  • A The future of the physical world.
  • B The origin of the universe.
  • C Sources of radiation.
  • D Particle theory.
  • A How matter collides with anti-matter.
  • B Whether the universe will turn barren.
  • C Why there exists anti-matter.
  • D Why there is a universe at all.
  • A Matter and anti-matter are opposites of each other.
  • B Anti-matter allowed humans to come into existence.
  • C The universe formed due to a sufficient amount of matter.
  • D Anti-matter exists in very high-temperature environments.