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TOEFL
/
Listening practice
/ Section 7YSB
Listen to an Academic Talk
Listen to part of a talk in a demography class.
Listen
47. What does the speaker suggest is the most useful thing to ask about a pyramid?
A
How its shape compares with a neighbouring country's
B
Whether it was drawn from a census or a survey
C
How many age groups it contains
D
When the widest part of it was born