小问题语法修改.
题目
小问题语法修改.
if i m not a genius,that means i need to try hard.If i don't try hard,that means i m a idiot.
if i m not a genius,it means i need to try hard.If i don't try hard,it means i m a idiot.
哪句话好点,用it还是that?
答案
语法上都没错.我喜欢that多点.
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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