The teacher was surprised to find that the boy could finish his honework so quickly.(同义句转换)
题目
The teacher was surprised to find that the boy could finish his honework so quickly.(同义句转换)
______ _______ _______,the teacher found out that the boy could finish his homework so quickly.
答案
To his surprise
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.
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