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TOEFL
/
Listening practice
/ Section 8ZJE
Listen to an Academic Talk
Listen to part of a talk in a perception class.
Listen
25. What is the talk mainly about?
A
How the two eyes work together to produce depth
B
Why a gap in vision goes unnoticed and what that shows
C
How the nerve fibres of the eye are arranged
D
Why certain optical illusions are so convincing