About_____of the books in our school library are written in chinese
题目
About_____of the books in our school library are written in chinese
A,four-fifth B.four-fifths C,fourth-fifths D,fourths-fifth 为什么呀
答案
B
分数表示方法为：基数词-序数词
当基数词大于1时,序数词要加S
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