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- 1What were you doing when Tony phoned you?I had just finished my work and ( )to take a shower.A.started B.was starting 为什
- 2在实模下,段地址和偏移地址为8017:000A的存储单元,计算物理地址,急,
- 3用轻质弹簧与三个m1,m2,m3的物体A,B,C相连,劲度系数AB间劲度系数k1、BC间k2,C刚好和地面脱离时F多大?
- 4不等式解题:某次知识竞赛共有20道题,每题答对得10分,答错或不答都扣5分,小明得分要超过90分,他至少要
- 5已知:a,b,c分别是三角形ABC中∠A,∠B,∠C对边,关于X的一元二次方程a(1-x²)+2bx+c(1+x²)=0.
- 6many 在否定句和一般疑问句中,是否要变any?例如,I have many books.变一般疑问句,怎么变?
- 7在空间四边形ABCD中,AB=AD,CB=CD,E为BD的中点.求证:BD⊥平面ACE.
- 8设氩气体积占空气中取得氮气的体积的1/10.试计算氩气的密度?
- 9the giel would like a small bowl of noodles变为否定句
- 10投骰子,骰子朝上的数小于3小明赢,大与3小红去,等于3,我们在掷一次.谁公平?怎样修改规则才公平?