11. What is the primary purpose of this passage?
(A) to show that DNA is a powerful investigative tool
(B) to illustrate how the unique characteristics of DNA make different types of comparisons and eliminations possible
(C) to teach the reader that identical twins have the same DNA
(D) to show how laboratory technicians develop DNA profiles

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統計: A(547), B(249), C(37), D(30), E(0) #1829956

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DNA是一種強大的調查工具,因為沒有兩個...
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DNA是一種強大的調查工具,因為沒有兩個...
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