5. The benefits of vitamins are too numerous to _____, but taking massive amounts of vitamins may do us harm.
(A) contrast
(B) overcome
(C) measure
(D) evaluate
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統計: A(38), B(46), C(173), D(110), E(0) #817022
統計: A(38), B(46), C(173), D(110), E(0) #817022
