She does not do some exercise in the morning改错,改哪个
题目
She does not do some exercise in the morning改错,改哪个
答案
应该是 She does not do any exercise in the morning
疑问句和否定句中、some要改为any
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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