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- 1英语中,表示天气,比如rain,可是,在什么情况下,后面加y或s或ing呢?
- 2某商场购进一批电视机,按获利20%定价,然后打出“九折出售,外送50元乘车费”的广告,实际每台电视机还可以获得120元的利润.这种电视机每台的进价是多少元?
- 3英语翻译
- 4The doctor cheaked over the crying baby again and again,but still couldn't find out with it.
- 5The boy __(fall) off his bike and___(lie)on the ground now.
- 6三根铁丝,一根长18m,一根长24m,一根长30m.现在要把它们截成同样长的小段.每段最长可以有几米?一共可以截成多少段?
- 7H2O+NH3+SO2=NH4)2SO4 怎么配平啊
- 8圆锥曲线的极坐标方程
- 9为什么是be going bike riding而不是be going riding bike
- 10已知AB与CD为异面线段,CD属于平面Q,AB平行Q,M,N分别是线段AC与BD的中点,求证;MN平行Q