英语翻译
题目
英语翻译
The people who are to be happy fix their attention on the conveniences of things ,the pleasant parts of conversation,the well-prepared ishes and the fine weather,they enjoy all the cheerful things ,those who are to be unhappy think and speak only of the contrarythings ,therefore,they are continually discontented,
答案
追求/向往幸福的人总会留意到事物的便利,交谈的愉悦,精心准备的美食,晴好的天气,他们享受一切快乐的事情.,那些不幸的人所想所说的都是相反的事情,所以他们总是不满.
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．
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