连词成句 英语工具
题目
连词成句 英语工具
Tangshan many last were roads in built wide yere
warned the teacher to us not play on football the road
答案
Many wide roads were built in Tangshan last year.
The teacher warned us not to play football on the road.
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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