英语翻译
题目
英语翻译
a state of being certain either that a hypothesis or prediction is correct
or that a chosen course of action is the best or most effective.
Self-confidence is having confidence in oneself
Voice qualities that contribute to your image:
Tone of voice
Rate of speech (tempo)
Volume
Ability to pronounce (diction)
How you move & carry yourself
答案
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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