单项选择题
A.3B.6C.9D.12
A.减少B.迅速降低C.迅速增长D.缓慢降低
A.1070~1170KB.1070~1200KC.1070~1270KD.1000~1170K
A.随机存储器RAM,只读存储器ROMB.只读存储器RAM,随机存储器ROMC.随机存储器RAM,随机存储器ROMD.只读存储器RAM,只读存储器ROM
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