3Q
题目
3Q
1.Lucy gets on very bad with her neighbour.2.Tom didn't finish his homework.His teacher was very angry to him.3.Mum wakes up me at half past six every morning.4.Jim felt too tired.He was asleep very quickly.5.Who went to upstairs a moment ago?
答案
1.Lucy gets on very badly with her neighbour.2.Tom didn't finish his homework.His teacher was very angry with him.3.Mum wakes me up at half past six every morning.4.Jim felt too tired.He falled asleep...
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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