please tell me_____(how,why)i can do that.
题目
please tell me_____(how,why)i can do that.
选哪个,为什么?
答案
how
翻译:请告诉我该怎么做
please tell me why I did that.
please tell me why I could do that.
而且,句意可以感受到的.有时语感比语法还准.
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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