because与because of用法和区别
题目
because与because of用法和区别
答案
because是连词,所以后边跟句子
because of后边加名词或者动名词短语
He came to work late because he got up late.
He came to work late because of getting up late.
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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．
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