Use your head ,and you will find _ it next A what to do B what can you do C how to do
题目
Use your head ,and you will find _ it next A what to do B what can you do C how to do
D how can you do
答案
how to do it.若选A,用法与意思皆不对,What to do后不能加it.若选B,D语序不对,应为What you can do/How you can do it.故选C
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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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