改下列句子保持原意
题目
改下列句子保持原意
1、What made him think so?
（ ）what was he made ( )think so?
2、Mother didn't let him go out last night.
He wasn't allowed ( )go out last night ( )her mother.
3、He made some money when he was in Aprica.
He made some money( ) his stay( )Africa.
答案
By to
to by
during in
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