1.1,2,4,( ),768,110592。A.16B.32C.64D.256
2.1,2,4,(),768,110592。A、16B、32C、64D、256
3.单选题1,2,4,( ),11,16。A 10B 9C 8D 7
4.1,2,4,( ),768,110592.A.16 B.32 C.64 D.256