1.The picture ( ) the right is ( )the school lift.2We have sweaers in all (c啥).Will you buy(
题目
1.The picture ( ) the right is ( )the school lift.2We have sweaers in all (c啥).Will you buy(
3.The boys ( )black are my cousins .they are my aunt'( )
4the clerks (s啥) lots of clothes every day.they are on (s啥)
每空一词,（啥为只知道开头）急啊啊!
答案
1. on on 2. colour them 3. in sons 4. sell sale
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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