写出下列动词的-ing形式:clean,work,watch,eat,read,wait,talk,go,play,study,take,have, dance,come
题目
写出下列动词的-ing形式:clean,work,watch,eat,read,wait,talk,go,play,study,take,have, dance,come
答案
cleaning,working,watching,eating,reading,waiting,talking,going,playing,studying,taking,having,dancing,coming
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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