用英语解释句子 (用英语)
题目
用英语解释句子 (用英语)
1.I don't know how I can operate the machine.
2.His parents think that he is a clever boy.
3.I believe that he is honest.
4.Fell me how I can get to your school?
5.They didn't know why they visited Paris.
答案
1.I don't know how to operate the machine.2.His parents think him a clever boy.3.I am sure that he is honest.4.Tell me how to get to your school?5.They didn't know why to visit Paris.
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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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