What we need to do is to help others,not to find why they need help是什么意si
题目
What we need to do is to help others,not to find why they need help是什么意si
答案
What we need to do is to help others,not to find why they need help.
我们需要做的是帮助别人,而不是追究他们为什么需要帮助.
这是个what引导的主语从句.
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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