题目: 尽管受到国际金融危机的影响,但义乌市经济依然保持了平稳增长.据统计,截止到今年4月底,我市金融机构存款余额约为1 193亿元,用科学记数法应记为( )A.1.193×1010元B.1.193×1011元C.1.193×1012元D.1.193×1013元 答案: ∵1亿=108,∴1 193亿=1.193×1011.故选B.
题型:选择题 Mrs Black isn’t in and I’ll have to ring ______. I would appreciate it if you ring _____ after 6 o'clock? A.off; backB.up; offC.out; upD.back; off 查看答案