急需一篇关于”life is what we make of it"为主题的演讲稿!急
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急需一篇关于”life is what we make of it"为主题的演讲稿!急
急需一篇关于”life is what we make of it"为主题的差不多有两三分钟的演讲稿.我实在不知道从哪方面去找关于这样的一个主题.马上就要用了,
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life is what we make of iteveryone wonders about life,are we doing the right thing?but what is the right thing?people live all over the country to find out about life,if we only knew,I think we can ma...
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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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