请帮我一下各位大哥哥,大姐姐.
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请帮我一下各位大哥哥,大姐姐.
我的这段英语对吗?In 1929,the American explorer ,R.E.Byrd became the first man to fly over the South Pole.He took a great many photographs but then he ran into difficulies.His plane couldn't get over the mountains,so he ordered his men to throw out two heavy food sacks.The plane then flew over the mountains and continue without further trouble.
I'm really afraid of the English,so i need your help at present.pLEASE.
答案
这个文章哪的?看下我的参考资料
ps:第二行difficulties拼错了吧
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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