The weather forecast is not for cooler weather; if anything,it is expected
题目
The weather forecast is not for cooler weather; if anything,it is expected
答案
to be warmer
天气预报肯定说天气不会变冷;相反,更可能的是,(天气预报会说)天气会变暖的.
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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.
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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