Food can be produced much more cheaply today because of improved fertilizers and better machinery o
题目
Food can be produced much more cheaply today because of improved fertilizers and better machinery o
答案
因为化肥的改良和机械设备的改善,如今的食物能以更低的成本生产出来.
举一反三
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