Some times my parents and me go for outings on Sundays.
题目
Some times my parents and me go for outings on Sundays.
答案
Some times my parents and me go for outings on Sundays. 有语法错误.应改为：Sometimes my parents and I go outing on Sundays. 首先： some times 表示“几次”,明显与意思不符.sometimes 表示“有时”,符合句...
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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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