She p___ a box beside the bird and it c___ into it quickly
题目
She p___ a box beside the bird and it c___ into it quickly
She put up I___ of missing posters,but she could find no sign of it
Bobby is sobeautiful and Iwas so w___ about it
求书读回答,首字母填空的几个空,关于找鹦鹉的
答案
put,came
lots
worry
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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