She was the tallest woman in the world. She was 2 metres 47 centimetres tall.是什么意思?
题目
She was the tallest woman in the world. She was 2 metres 47 centimetres tall.是什么意思?
答案
她曾经是世界上最高的妇人,她当时身高2米47.
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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