Windows能够识别出许多多媒体设备是因为Windows具有即插即用的功能。|()
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What is the authors attitude towards enhancement evolution？
A. Skeptical.
B. Impartial.
C. Supportive.
D. Biased.
We can infer from the fourth paragraph that______.
A. enhancement evolution is technically impossible
B. parents have the final say on children"s genome change
C. parents and children usually have different designs for the future
D. enhancement evolution may cause moral problems
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