mrs green has a busy job.完形填空翻译,不要用机器!
题目
mrs green has a busy job.完形填空翻译,不要用机器!
答案
Mrs Green has a busy job.She is very _A.tired_ after work every day and wants to have a good sleep.But Mr Green is a soccer fan.He watches soccer on TV very _B.loudly_ every night,and sometimes he _B....
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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