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- 1Our family all___watching TV.A.like B.likes C.liking D.to like
- 2已知函数f(x)=x平方+bx-1在区间【0,3】上有最小值-2,求实数b
- 3重力势能减小 重力是不是一定做正功
- 4Lions are from South Africa.(改为同义句)Lions _____ _____ from South Africa.
- 5I have never heard of such a lady in this neighborhood_____you have described.
- 62-2的平方-2的立方-.-2的19次方+2的20次方
- 7电阻R1与R2并联接入电路后,两端所加电压为24V ,如果R1为80欧姆,通过R1和R2的总
- 8渐近线方程为3y+ /- 4x=0 焦距为10的双曲线
- 9已知f(x)是定义在R上的奇函数,且当x<0时,f(x)=2的x次方+1.求函数f(x)的解析式.
- 10描写我国传统节日的诗句有哪些?