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TOEFL
/
Listening practice
/ Section 25RT
Listen to an Academic Talk
Listen to part of a talk in a history of medicine class.
Listen
32. What does the speaker suggest about mortality after anaesthesia was introduced?
A
It fell immediately because operations were less traumatic.
B
It was not recorded reliably enough to judge.
C
It remained unchanged until antiseptic methods arrived.
D
It rose because deeper surgery exposed patients to infection.