1. 英语·语法·知识与运用

通常情况下，形容词加-ly可以变成副词，比如：

例句：

The young lady was beautifully dressed and hatted.

The roads to the train station were heavily congested.

有的形容词与副词形式相同，比如：early, late, fast, hard, enough等。它们可以作形容词也可以作副词。

All indications point to an early spring.

He has a strong objection to getting up early.

The promiscuous use of portfolio insurance helped precipitate the stock market crash of October 1987, as well as the market break of October 1989.

盲目使用投资组合保险加速了1987年10月市场暴跌的来临以及1989年10月市场的突破。（《巴菲特致股东信》）