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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 materials engineering class.
Listen
27. Why does the speaker say that the last bend is not stronger than the first?
A
To explain why the paperclip bends more easily at the end
B
To argue that the force applied to the wire should be measured on each bend
C
To show that the metal has become more flexible
D
To correct the impression that failure comes from a sudden extra force