改写英语句子(三句话,
题目
改写英语句子(三句话,
写在过去时否定陈述.
使用括号内的文字并进行任何其他必要的修改.
例:1.henry fell into the swimming pool.(hole in the street)
he didn‘t fall into the hole in the street.
2.they could hear the woman.(man)
3.we put the money in a bag.(cupboard)
4.hong and jin were good.(naughty)
答案
2.They couldn't hear the man.
3.We didn't put the money in the cupboard.
4.Hong and Jin weren't naughty.
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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