阿摩線上測驗
38. The atomic structure of viruses ____.
(A) is variable
(B) is strictly defined
(C) cannot be analyzed chemically
(D) is more complex than that of bacteria
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統計： A(0), B(3), C(0), D(0), E(0) #3313211
統計： A(0), B(3), C(0), D(0), E(0) #3313211
