比较a lot of,a bit of,a lot,a bit
题目
比较a lot of,a bit of,a lot,a bit
它们在语法上的区别,举例说明
答案
a lot of == many,much== lots of ==plenty of
a good many == very much== a good deal of
a bit of == a little bit of
a little == some
little == not much
quite a little ==not a little== no little==much
a bit of money,bit by bit,a bit of time
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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