几道英语改错题.
题目
几道英语改错题.
1.I can't hear clearly.I'm dull with hearing.
2.For all the bags in the shop,this one is the cheapest.
3.Her younger brother is 6 years old,and her younger brother is only 4 years old.
答案
1.with改为of
2.For改为Of
3.后面那个younger改为youngest
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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