33. Scientists usually character the disease leukemia as an overabundance of white blood cells in the bloodstream.
(A)character
(B)as
(C)overabundance
(D)in the bloodstream
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統計: A(5), B(1), C(1), D(0), E(0) #3941567
統計: A(5), B(1), C(1), D(0), E(0) #3941567