Blow buy du eat fly go hear leave make ride say sing speak swim think write break catch drawd过去式
题目
Blow buy du eat fly go hear leave make ride say sing speak swim think write break catch drawd过去式
答案
blew,bought,did,ate,flew,went,heard,left,made,rode或rid,said,spoke,swam,thought,wrote,broke,caught,drew
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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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