5. A particularly virulent strain of flu virus has recently claimed a number of lives in the United States.
(A) noxious
(B) tentative
(C) tepid
(D) pasteurized
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統計: A(292), B(53), C(17), D(35), E(0) #1280278
統計: A(292), B(53), C(17), D(35), E(0) #1280278