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TOEFL
/
Listening practice
/ Section 7FGS
Listen to an Academic Talk
Listen to part of a talk in a philosophy of science class.
Listen
44. What is the speaker's central claim?
A
Scientists should abandon a theory as soon as a prediction fails.
B
Theories that explain human behavior cannot be tested.
C
A theory is valuable in proportion to what it rules out.
D
Evidence is more reliable than theory in every field.