海伦凯勒的故事(英语)
题目
海伦凯勒的故事(英语)
答案
though she is not cannot talk dumb, but also can't talk.
In order to overcome this difficulty, Sullivan teacher found a experts for Helen Keller, teach her use both hands to feel when others speak mouth changes, and nasal breathes, to learn the different pronunciation. Of course, this is a very difficult task, however, Helen Keller still do. Keller, besides breakthrough blind writer dysfunction, learn to speak more dedicated his life, campaigned for people with disabilities speech, encourage them to affirm oneself, resolve to be a residual and not waste. Helen Keller this love, not only giving handicapped brimming confidence, more aroused people from face handicapped, have set up service agencies, auxiliary they healthy and happy life.
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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