1.Your father has been to Garden City twice,(
题目
1.Your father has been to Garden City twice,(
A.has he B.hasn't he C.doesn't he D.isn't he
2.Ben enjoys eating spicy food.(改为反意疑问句)
( )
3.I want some sweet oranges.(改为否定句)
( )
答案
B
Ben enjoys eating spicy food,does he?
I don't want some sweet oranges.
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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