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/
Listening practice
/ Section WE96
Listen to an Academic Talk
Listen to part of a talk in a history of science class.
Listen
31. According to the speaker, why was the astronomers' figure slightly short?
A
Their instruments had been damaged during the survey.
B
The revolution forced them to shorten the route.
C
The earth is not the shape their calculation assumed.
D
They measured only part of the meridian.