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TOEFL
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Listening practice
/ Section 7FGS
Listen to an Academic Talk
Listen to part of a talk in a philosophy of science class.
Listen
45. According to the speaker, why can no observation support a theory that fits every result?
A
Because theories of that kind are usually about people rather than about physical objects
B
Because the same observation always has several explanations
C
Because an observation counts as evidence only if it could have come out differently
D
Because the theory has not yet been stated precisely enough