根据对话内容,在每个括号内填写一个适当的单词(首字母已给出)Jing
题目
根据对话内容,在每个括号内填写一个适当的单词(首字母已给出)Jing
A:What are you going to do this evening?
B:I am going to swim in the (r ).Can you go with me?
A:(C ).But I can not go there (b ) seven.
答案
A:What are you going to do this evening? B:I am going to swim in the (river ).Can you go with me? A:(Certainly ).But I can not go there (before ) seven.A今晚你打算做什么B我要去河里游泳.你能和我一起去...
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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