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Set 4: Inferences (Intermediate)

Explanation

Answer: D

PASSAGE

When antibiotics are overused, bacteria that survive treatment pass on resistance genes to subsequent generations. Eventually, formerly treatable infections become dangerous again. The World Health Organization warns that without coordinated global action, the world may enter a 'post-antibiotic era' where minor infections could be fatal.

What can be inferred about antibiotic resistance?

A. Resistance is a localized problem affecting only wealthy nations.
B. Overuse of antibiotics has no evolutionary consequences.
C. New antibiotics will always outpace bacterial evolution.
D. Addressing resistance requires international cooperation due to its global implications.✓ Correct

Detailed Explanation

This question asks you to draw a logical conclusion from the text. 'Coordinated global action' needed = international cooperation required for this global threat. A valid inference must be supported by evidence in the passage, even if not stated directly. Look for clues in the text that strongly suggest the answer. Avoid conclusions that require assumptions beyond what's written. Valid inferences are strongly supported by multiple pieces of evidence in the text. Be cautious of choices that go too far beyond what the passage actually states. The best inference is the one most directly supported by textual evidence.

Key Evidence:

• "without coordinated global action"

• "post-antibiotic era"

Why others are wrong: A ('Global action' implies global problem.), B (Resistance genes are passed down = evolutionary.), C ('Post-antibiotic era' suggests antibiotics may fail.).

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