求teach的三个结构
题目
求teach的三个结构
答案
teach sthteach sb sth/sb thatteach sb (how) to to sth例如:She taught English to Japanese business people.她教日本商人英语.Their daughter's death had taught him humility.他们女儿的死使他懂得了做人要谦...
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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