句型转换.
题目
句型转换.
1.It usually takes me twenty minutes to walk to school.(改为一般疑问句)
2.It ususlly takes him 划线部分(an hour)to do his home work (就画线部分提问).
____ _____ does it usually take him to do his homework?
答案
1、Does it usually take you twenty minutes to walk to school?
2.__How__ ___long__ does it usually take him to do his homework?
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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