英语选择题2道,求详解
题目
英语选择题2道,求详解
1.how did the idea strike you?
----------,so we can't think too highly of it.
It's so practical.
It's just so so.
all depends.
It makes no sense
2.You can't finish the work in less than 2 hours,I suppose?
-----
Yes ,I am sure I can.
No,hardly.
Sorry,I can't.
I don't think I can.
答案
A
A
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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