38.下列何值接近骨頭之CT值(HU單位)?
(A)+1000
(B)-1000
(C)+100
(D)-500
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統計: A(1042), B(39), C(7), D(5), E(0) #1059833
統計: A(1042), B(39), C(7), D(5), E(0) #1059833