Last year Peter could run a 100-metre dash in 15 seconds .Now he has reduced this time ( ) more th
题目
Last year Peter could run a 100-metre dash in 15 seconds .Now he has reduced this time ( ) more th
答案
(much)
好像是选择可以用来修饰more的词,那最简单的就是much了.
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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