Read the following passage: 'Although many patients assume that antibiotics cure all infections, these drugs are effective only against bacterial pathogens. Viral illnesses such as the common cold and influenza do not respond to antibiotic therapy. Overprescription has contributed to the global rise of antibiotic-resistant bacteria, a growing public-health crisis.' What is the author's primary purpose?
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ATo inform readers about the limitations of antibiotics and the consequences of their misuse.
BTo persuade physicians to stop prescribing antibiotics entirely.
CTo entertain readers with interesting facts about bacterial infections.
DTo argue that viral illnesses are more dangerous than bacterial infections.
✓ Correct answer: A. To inform readers about the limitations of antibiotics and the consequences of their misuse.Author's purpose is determined by the overall intent; the passage presents factual information about what antibiotics do and do not treat and warns of a public-health consequence, making 'to inform' the most accurate descriptor.
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