阿摩線上測驗
43. What does the main purpose of the passage?
(A)To summarize a demographic trend over time.
(B) To explain the need for particular social research.
(C) To present findings on a demographic group.
(D)To analyze the demographic composition of a type of job
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統計： A(5), B(25), C(6), D(14), E(0) #3103915
統計： A(5), B(25), C(6), D(14), E(0) #3103915
