连词成句.用所给的单词组成一组问答句（6分）
题目
连词成句.用所给的单词组成一组问答句（6分）
连词成句。用所给的单词组成一组问答句
1.want,skirt,yes,can,help,you,I,I,to,see,that
.
2.expensive,much,is ,colourful,dress,very,how,that
答案
1.Can I help you?Yes,I want to see that skirt.
2.How much is that colourful dress?Very expensive.
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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