假设DRAM中有1024行，电容能保持正确信息的时间8ms，如果使用集中式刷新，则每隔（ ）需要刷新一次，如果使用分散式刷新，则每隔（ ）需要刷新一次。 A: 8ms, 7.8us B: 7.8us,8ms C: 8ms,15.6us D: 15.6us,8ms
假设DRAM中有1024行，电容能保持正确信息的时间8ms，如果使用集中式刷新，则每隔（ ）需要刷新一次，如果使用分散式刷新，则每隔（ ）需要刷新一次。 A: 8ms, 7.8us B: 7.8us,8ms C: 8ms,15.6us D: 15.6us,8ms
Math.floor(15.6)运行结果是( )
Math.floor(15.6)运行结果是( )
AnadarkoOil和NobleDrilling的期望收益率分别为（）。 A: 11%，16.6% B: 10%，15.6% C: 11.2%，14.3% D: 9%，9.6% E: 11%，15.6%
AnadarkoOil和NobleDrilling的期望收益率分别为（）。 A: 11%，16.6% B: 10%，15.6% C: 11.2%，14.3% D: 9%，9.6% E: 11%，15.6%
公文页边一般上3.7cm、左2.8cm，版心15.6×22.5cm（）
公文页边一般上3.7cm、左2.8cm，版心15.6×22.5cm（）
Are there enough books for ____? A: three us B: us three C: all us D: the three us
Are there enough books for ____? A: three us B: us three C: all us D: the three us
______ agrees to your plan. A: Anyone of us B: No one of us C: None of us D: Someone of us
______ agrees to your plan. A: Anyone of us B: No one of us C: None of us D: Someone of us
该企业预期投资收益率为（）。 A: 10.2% B: 12.5% C: 14.3% D: 15.6%
该企业预期投资收益率为（）。 A: 10.2% B: 12.5% C: 14.3% D: 15.6%
Mr. Yang ______. A: teaches math us B: teaches us to math C: teaches math to us D: us teaches math
Mr. Yang ______. A: teaches math us B: teaches us to math C: teaches math to us D: us teaches math
What does sleeping help us? A: It helps us stay healthy. B: It helps us improve our memory. C: It helps us reduce stress. D: It helps us lose weight.
What does sleeping help us? A: It helps us stay healthy. B: It helps us improve our memory. C: It helps us reduce stress. D: It helps us lose weight.
Miss Li is ______ English teacher. She likes______ very much. A: our, we B: our, us C: us, our D: us, us
Miss Li is ______ English teacher. She likes______ very much. A: our, we B: our, us C: us, our D: us, us