Set 3: Cross-Text Connections
Explanation
PASSAGE
Text 1 The search for extraterrestrial intelligence (SETI) focuses on detecting radio signals from other civilizations. Proponents argue that radio waves are the most efficient way to communicate across interstellar distances. Text 2 Critics argue that an alien civilization might use a technology we haven't discovered yet, or one we stopped using, like lasers. Relying solely on radio waves might be like trying to detect a smartphone signal with a telegraph.
Which choice best describes the limitation of SETI presented in Text 2?
Detailed Explanation
Text 1: Use radio. Text 2: Aliens might use different tech (lasers, or unknown). Limitation: Anthropocentric assumption (Telegraph analogy).
Key Evidence:
• "technology we haven't discovered"
• "like trying to detect ... with a telegraph"
Why others are wrong: B (Not mentioned.), C (Assumes they do.), D (They can.).