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Answer: ASet 1: Cross-Text Connections
Explanation
PASSAGE
Text 1 Antibiotics are drugs used to treat bacterial infections. They work by killing bacteria or stopping them from reproducing. They have saved millions of lives since their discovery. Text 2 Overuse of antibiotics has led to antibiotic resistance. Bacteria evolve to survive the drugs, creating 'superbugs' that are difficult or impossible to treat.
Based on the texts, what acts as a limiting factor to the long-term effectiveness of antibiotics?
A. The evolutionary adaptation of bacteria due to overuse of the medication.✓ Correct
B. The high cost of manufacturing the drugs.
C. The fact that they kill viruses instead of bacteria.
D. Patients refusing to take them.
Detailed Explanation
Text 1: Effective/Saves lives. Text 2: Overuse -> Resistance/Evolution -> Ineffective. Limiting factor: Evolution.
Key Evidence:
• "evolve to survive"
• "overuse"
• "creating 'superbugs'"
Why others are wrong: B (Not mentioned.), C (Treat bacteria.), D (Not mentioned.).