英语改错题(把错的地方写在括号里,并在横线上写上正确的句子）.
题目
英语改错题(把错的地方写在括号里,并在横线上写上正确的句子）.
1.He is going to go to the park with his mom.( )
_________________________________________
2.I not writing a letter.( )
_______________________
答案
1.He is going to go to the park with his mom.( 重复 )
He is going to the park with his mom.
2.I not writing a letter.(少动词 )
I'm not writing a letter.
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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