十句常见英语句子
题目
十句常见英语句子
是句子!
答案
1.Nice to meet you?2.Happy birthday!3.How long have you been like this?4.Haven't seen you for a long time.5.Work must come first.6.How time flies!7.Would you like to have dinner with me?8.I'm sorry.9....
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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