雅思语法课后练习：形容词、副词与介词短语¶
> 本练习基于剑桥雅思真题，旨在训练识别句子中的形容词、副词与介词短语，并提炼句子核心。
练习一：识别句子扩展成分并提炼核心¶
1. 原句¶
In both cases, the critical day length differs from species to species.（剑5）
分析¶
- 介词短语：In both cases / from species to species
- 形容词：critical
- 核心：The day length differs.
2. 原句¶
Summarize the information by selecting and reporting the main features.（剑10）
分析¶
- 介词短语：by selecting and reporting the main features
- 核心：Summarize the information.
3. 原句¶
Playful behavior is also an important indicator of healthy social and emotional development.（剑14）
分析¶
- 形容词：playful / important / healthy / social / emotional
- 副词：also
- 介词短语：of healthy social and emotional development
- 核心：Behavior is indicator.
4. 原句¶
The shipping container transformed ocean shipping into a highly efficient, intensely competitive business.（剑6）
分析¶
- 介词短语：into a highly efficient, intensely competitive business
- 副词：highly / intensely
- 形容词：efficient / competitive
- 核心：The container transformed shipping.
5. 原句¶
Over two millennia ago, the Greek philosopher Plato extolled its virtues as a means of developing skills for adult life...（剑14）
分析¶
- 介词短语：Over two millennia ago / as a means of developing skills for adult life
- 形容词：Greek / adult
- 核心：Plato extolled its virtues.
练习建议¶
- 阅读中：先去掉形容词、副词、介词短语，提炼核心
- 写作中：逐步加入扩展成分，丰富句子内容
- 熟练掌握介词短语的构成与含义，提升长句分析能力
> 建议配合真题例句反复练习，提升语法敏感度与实战能力。