问题
选择题
In modern society, alternative energies __________ traditional ones are playing an important role in our daily life. That’s just because scientists have made great breakthroughs _________ the development of science and technology.
A．for, during
B．of, during
C．by, in
D．to, in
答案
答案：D
题目分析：for为了，of属于；by通过；to比较；传统能源与新能源相比较，故第一空用to。在发展的过程中用in，故选D。
点评：此题较易，考查的是介词用法，介词的用法一般都有几种，不仅要掌握基本用法，特殊用法要特别记忆。