We have a parents meeting but my parents made other take the place of them
题目
We have a parents meeting but my parents made other take the place of them
答案
我们要开家长会,但是我父母叫别人代替他们.
过去时准确表达：We had a parents meeting last night,but my parents ask others to attend the meeting on behalf of them.昨天晚上我们有个家长会,但我父母请别人代表他们出席了
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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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