快速填空英语,
题目
快速填空英语,
2.It is _________.Mr.Jackson is in his _________.He and his wife _________ _________ breakfast.They are _________ at the table.Mrs Jackson _________ look well.Mr.Jackson notices it.He asks,“What is _________ _________ with you?” Mrs Jackson says,“I have a headache._________ _________ a lot of housework in the house.”
答案
weekend
house
are having
sitting
doesn't
the matter
I did
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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