阿摩線上測驗
17. The division between the stages of ethnicity typology is blurred rather than sharp.
Thus, a _____ also existed between as well as within the stages.
(A) continuum
(B) difference
(C) boundary
(D) limit
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統計： A(28), B(29), C(42), D(5), E(0) #2320915
統計： A(28), B(29), C(42), D(5), E(0) #2320915