as a result of 和 because of 的用法区别是什么?
题目
as a result of 和 because of 的用法区别是什么?
he hurt himself as a result of his careless.==he hurt himself because of his careless.
这两句话语法上应该都没有错误吧?但是如果选择题有as a result of 和because of两个选项,应该选哪一项呢?
答案
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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