速求初二形容词最高级的英语作文
题目
速求初二形容词最高级的英语作文
答案
Lucy and Lily are twin sisters.They looks alike but they are not like each other in life.Lucy is a hard-working student.She studies harder than the other students in her class.Her sister,Lily,however ,doesn't study as hard as her.Lily is taller than Lucy and looks more beautiful than her sister.Lucy could run quite fast,but Lily can even run faster than Lucy.
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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