people are willing to pay more for_organic food which is of_great benefit to our health and the envi

people are willing to pay more for_organic food which is of_great benefit to our health and the envi

题目
people are willing to pay more for_organic food which is of_great benefit to our health and the enviroment
A.the;a B.the;/ C./;/ D./;a
选C为什么?
答案
这里food为不可数名词,所以不加定冠词;be of great benefit:对.及其有益的,不加不定冠词a
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
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
最新试题
热门考点

超级试练试题库

© 2017-2019 超级试练试题库,All Rights Reserved.