用括号内形容词的适当形式填空:
题目
用括号内形容词的适当形式填空:
1 Telephone is the first _____ (useful) invantion in the world.
2 I think travelling by train is far ______ (enjoyable).
3 Are you feeling any _____ (well)?
No,I'm feeling even ______ (bad)
答案
more useful
more enjoyable
better
worse
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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