GMAT作文字数多少字合适
题目
GMAT作文字数多少字合适
答案
The following appeared as part of an article in a daily newspaper:x0d Most companies would agree that as the risk of physical injury occurring on the job increases,the wages paid to employees ...
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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