阿摩線上測驗
118. The laboratory requires that all chemical samples be handled with the _______ care to prevent contamination.
(A) utmost
(B) upper
(C) utter
(D) upright
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統計： A(143), B(55), C(30), D(40), E(0) #3805126
統計： A(143), B(55), C(30), D(40), E(0) #3805126
