2. Down's syndrome is the most common genetic form of
intellectual disability, and ___ approximately one in 1,000 people.
(A) afflicts
(B) effects
(C) infects
(D) inflects
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統計: A(45), B(24), C(24), D(9), E(0) #1760462
統計: A(45), B(24), C(24), D(9), E(0) #1760462
詳解 (共 4 筆)
#6125896
唐氏症是最常見的智障遺傳形式,大約千分之一的人患有唐氏症。
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