The man who runs the class will go through some particular part of the car,and we will learn about i
题目
The man who runs the class will go through some particular part of the car,and we will learn about it.这句话中some particular part of the car为什么是part不是parts,是因为some在这里指“某些“所以用单数还是因为这里part不可数?
答案
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