各位大侠帮忙写篇英语演讲稿.急用.!
题目
各位大侠帮忙写篇英语演讲稿.急用.!
主题是My favourite hobby is travelling.演讲时间三分钟左右..急求.!感激不尽.!
答案
Do you know what's my hobby?Now let me introduce it to you.It is exciting to visit different places.As you travel,you will see beautiful sceneries typical of the region.Besides,you can meet and make f...
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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