Do not spit food anywhere!If you have bones in your moutn,take them out with your fingers and
题目
Do not spit food anywhere!If you have bones in your moutn,take them out with your fingers and
接着上面的 Place them on the edge of your plate,never on the table or fiooe.
Do not reach across the table or in front of another person.Ask someone to pass whatever you want.
答案
别到处乱吐食物!如果你嘴里有骨头,用手把它们拿出来然后放在你盘子边上,别放在桌子上或丢在地板上.在越过桌子或从别人面前取食物.无论你要什么,让别人递给你.
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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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