英语作文我的暑假生活 要一般现在时
题目
英语作文我的暑假生活 要一般现在时
答案
My summer vacation life hot summer vacation began.I'm very excited.I started my summer vacation plan:1.In the morning,I want to see a book and that is my favorite.It can let my writing improved.2.The afternoon I'll go up about my friends playing basketball,it will make my body more and more strong.The evening that I began to finish my summer homework assignments.And the end of a busy day.I believe that I will have a good summer vacation
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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