He is going hiking.I like go shopping.这两句话对吗?
题目
He is going hiking.I like go shopping.这两句话对吗?
远足是我的爱好该怎么说?是 hiking is my hobby.还是going hikingis my hobby.
还有You can eat some vegetables and fruit.一句为什么vegetables加s,fruit却不加?
答案
Hiking is my hobby正确,后者累赘不推荐使用,但是不犯语法错误.Vegetables可以指多种蔬菜而fruit本身就指泛指多种蔬菜.这个就好象是person和people的区别,see?
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
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