要求:ask question about the underlined parts.
题目
要求:ask question about the underlined parts.
题目:1,I have just (empited the basket)
2,We have already cleaned (the classroom)
括号中的代表画线部分
答案
1,I have just (empited the basket)
What have you just done?
2,We have already cleaned (the classroom)
Where have you already cleaned?
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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