-i am going to travel to america.would you consider telling me about your experience there?
题目
-i am going to travel to america.would you consider telling me about your experience there?
-_.let's discuss it over dinner.
A.that's all right B.by all means C.Go ahead D.it just depends
选B.整个句子什么意思呀
答案
by all means :一定
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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