英语改错,如下:
题目
英语改错,如下:
1:This is an art lesson. ______
2:What is shape is the moon? ______
3:My parents has twocars. ______
答案
this is the art lesson.
what is the shape of the moon?
My parents have 2 cars.
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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