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举一反三
【单选题】序言标准式结构应当是：（ ）
A.
解决方案（ A）→情境（S）→冲突（C）
B.
情境（ S）→ 冲突（C）→解决方案（A）
C.
冲突（ C）→情境（S）→解决方案（A）
D.
疑问（ Q）→情境（S）→ 冲突（C）
【单选题】We all know that DNA has the ability to identify individuals, but because it is inherited, there are also regions of the DNA strand which can relate an individual to his or her family (immediate and e...
B.
they are of common ancestry
C.
DNA has the ability to identify individuals
D.
their unique identification can be provided via DNA