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TOEFL
/
Listening practice
/ Section 6ZS5
Listen to an Academic Talk
Listen to part of a talk in a microbiology class.
Listen
46. Why does the speaker mention agriculture?
A
To compare the doses used in the two settings
B
To argue that farm animals are the original source of resistance
C
To explain how new antibiotics are discovered
D
To show that restricting a drug in hospitals alone is not sufficient