填入(80)处最佳答案是( )。

填入(80)处最佳答案是( )。A.effects B.attracts C.affects D.relates

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填入(75)处最佳答案是( )。

填入(75)处最佳答案是( )。A.Yet B.Thus C.Moreover D.Whereas

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A problem commercial genetic testing faces iS__________.

A problem commercial genetic testing faces iS__________. A.disorganized data col

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请在(3)处填上最佳答案。

请在(3)处填上最佳答案。

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Since the early 1990s,researchers have focused their attenti

Since the early 1990s,researchers have focused their attention on developing____

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