through
题目
through
The department,through its cooperative state research,education,and extension service,has been supporting a project in Michigan .That state has a short growing season.
答案
在这里它用做介词,介词后通常跟短语,在这里的意思是:通过,穿过,凭借
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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