We do morning exercises every day and__is good for our health(exercise)
题目
We do morning exercises every day and__is good for our health(exercise)
My father often d__to school every morning and I am never late for school
答案
1 exercise 锻炼
2 drives 开车(上学)
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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