My father is cleaning his car over there对划线部分提问
题目
My father is cleaning his car over there对划线部分提问
答案
1.Who is cleaning his car over there.（my father）2.What is your father doing over there?(cleaning his car)3.What is your father cleaning over there?(his car)4.Where is your father cleaning his car?(o...
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
最新试题
热门考点