liu tao usually (water the flowers) in the eve
题目
liu tao usually (water the flowers) in the eve
liu tao usually (water the flowers)
in the evening.对划线部分提问
()does liu tao usually ()in the evening?
答案
(What)does liu tao usually (do)in the evening?
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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