We want to ( ) in the pool.A.go swimming B.going swim C.going swimming D.Go swim
题目
We want to ( ) in the pool.A.go swimming B.going swim C.going swimming D.Go swim
He's late for class,so he comes in ( ) and sits ().A.quiet,quick B.quietly,quick C.quiet,quickly D.quietly,quickly
答案
A
C
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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