3道英语题`很简单
题目
3道英语题`很简单
同义句转换:
1.They came into the Pizza Palace.
2.Many people in the street went to work quickly.
3.We saw six policemen stand around the man.
4.I was pleased that my father helped those woman.
答案
1.They entered the Pizza Palace.
2.Many people in the street began to work quickly.
3.Six policemen were seen standing around the man.
4.I was pleased to see my father helping those woman.
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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