Lucy went to school and she did not have breakfast this morning.
题目
Lucy went to school and she did not have breakfast this morning.
改同义句
lucy went to school ＿＿breakfast this morning
答案
without
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
最新试题
热门考点