英语翻译
题目
英语翻译
3.他已决定长大后要当一名医生.（mind）
4.Smith和他的家人到杭州已有三年多了（have）
用上括号里的词语.Thanks!
答案
1 Could you please repeat what your teacher said?
2 The top of the mountain is covered by snow all the year around.
3 He has made up his mind to be a doctor when he grows up.
4 Smith and his family have been in Hangzhou for more than three years.
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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