短文全篇American summer are full outdoor picnics
题目
短文全篇American summer are full outdoor picnics
今天10点之前要回复哦
答案
american summers are filled with outdoor picnics,baseball ground and swimming pools.summer in america is a time to enjoy the outdoors.no matter how hot it might be.let's take a look at some of the pop...
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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