(英语)完成下面各题
题目
(英语)完成下面各题
一、按要求完成句子.
Mike often play football after school.(改为一般疑问句)
Sarah is going to clean her bedroom this weekend.(用 on weekends 改写句子)
What does your mother do?(根据实际情况回答问题)
答案
Does Mike often play football after school?
Sarah usually goes to clean her bedroom on weekends.
My mother is a worker/ teacher.
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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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