_________(64)A.plentiful B.limitedC.irregular D.f

△＋＋=44 △＋△＋△＋＋=64 那么=_______，△=_______。

通常我们说内存为64兆字节，是指内存容量为______。A.64GBB.64MBC.64KBD.64B

_________(58)A.to buy B.buyingC.having bought D.f

_________(56)A.amused B.interestedC.surprised D.f

_________(58)A.to buy B.buyingC.having bought D.f

_________(58)A.to buy B.buyingC.having bought D.f