改错 1.Dogs like lots of exercises. 2.Feed them well if you want them to be health.
题目
改错 1.Dogs like lots of exercises. 2.Feed them well if you want them to be health.
3.It is a good idea clean the hutch often.
4.You should take the coin out from the water.
5.why not to spend much time with your dog?
6.He came into my room has a book in his hand.
7.Make sure the water is not too cold and too hot.
8.Make sure the water is not too cold and too hot.
9.My schoolbag is more beautiful than Amy.
10.What lovely goldfish!I can hold it in my hand.
答案
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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