几道英语练习题怎么做
题目
几道英语练习题怎么做
连词造句
1 works,at,factory,whose,friend,that?
2 do,mother,dose,what,your?
3 how,Tim,dose,long,stay,Sunday,on,here?
答案
1.Whose friend works at that factory?
2.What does your mother do?
3.How long does Tim stay here on sunday?
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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