阿摩線上測驗
9.
(A) in the way it functions naturally
(B) as it has always been understood to be harmless
(C) which is widely appreciated by scientists
(D) even in its most dangerous forms
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統計： A(8), B(3), C(9), D(35), E(0) #3888273
統計： A(8), B(3), C(9), D(35), E(0) #3888273
