新目标八年级上册英语书第十八页SELF CHECK的2的作文怎么写!
题目
新目标八年级上册英语书第十八页SELF CHECK的2的作文怎么写!
答案
Dear Sally, I’m sorry to hear that you're not feeling well.I think you should go to bed eraly.And you shouldn't study to late.You should drink some water,it helps to your health.I think you can talk...
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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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