英语翻译
题目
英语翻译
它从来没有忧愁,生活得很幸福.
It _____ _____ and _____ _____.
当时有一只狗正在追它,它拼命地奔跑.(3zhong)
A dog _____ ______ _____ him ______ _____ ______.
It _______ as _______ as _______ _______.
It _______ _______ ______ ______ ______.
有点多,会1题就1题啦
[重点第2题,呵呵]
答案
It never worries and lives happily A dog is going after him at that time.It runs as fast as it can.It runs with its heart out.(最后一个是在是有点茫然)
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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