I have three best friends:Mark ,Susie and Annie .(首字母填空,求全文)
题目
I have three best friends:Mark ,Susie and Annie .(首字母填空,求全文)
答案
I have three bestfriends:Mark,Susie and Annie.Mark,Susie and I go to the s___________ schooland we are all classmates.Mark is one of the tallest boys in our class.He iseven t_______ than our English t...
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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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