what shoulde you do when you are doing first aid for someone injured in an accident
题目
what shoulde you do when you are doing first aid for someone injured in an accident
答案
当有人在事故中受伤,你应该为他做什么急救?
shoulde改为should
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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