选词填空.A:can.B:study.C:to.D:cleaning.E:sleeping.1:She is talking ( )her mother.
题目
选词填空.A:can.B:study.C:to.D:cleaning.E:sleeping.1:She is talking ( )her mother.
2:My brother ( )draw pictures.3:Kate is ( )in the bedroom.4:Mr Black is working in the ( ).5:I am ( )the room.
答案
1 C to
2 A can
3 E sleeping
4 B study
5 D cleaning
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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