连词成句:1.sister,reading,was,books,at,your,evening,yesterday,9:00
题目
连词成句:1.sister,reading,was,books,at,your,evening,yesterday,9:00
2.while,cooking,bell,the,my,was,mother,rang
3.having,an,class,english,we,at,9:00,were,night,last
答案
1 Was your sister reading books at 9:00 yesterday evening /Your sister was reading books at 9:00 yesterday evening .2 My mother was cooking while the bell rang.3 We were having an English class at 9:0...
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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