A:Come in and take a seat.B:Thank you .You know I _______ in the exams.A:Did you _______ Engli
题目
A:Come in and take a seat.B:Thank you .You know I _______ in the exams.A:Did you _______ Engli
答案
A:Come in and take a seat.B:Thank you.You know I failed in the exams.A:Did you pass English this time?B:No,and I also failed in maths.What should I do? A:You can do better next time if youwork ...
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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