Data Response的（c）经常以explain，describe，analyse开头，这类题目通常需要提炼材料的信息并转化为关键概念进行分析。

如题号：9708/21/M/J/14

题目：

(c) Explain how the provision of improved transport facilities and education services might develop the potential of the economy in India.

答题技巧：

(i)先找出transport facilities 和education services 对应的原文句子。

(ii)将the potential of the economy转化为概念PPC向外移动或LRAS向右移动 。

(iii)分析transport facilities 对factor of production的影响：more resources traded, increase mobility。分析education services 对factor of production的影响：labour with more skills.