do you think you usually make a good first impre
题目
do you think you usually make a good first impre
sion ?why or why not?
英语口语对话,不要翻译?简短的对话就可以了
答案
A:Do you think you usually make a good first impression?B:Yes,of course.I always greet people when I meet them,and I am polite and courteous.A:That is good,I need to learn from you.Sometimes,I tend to...
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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