By _____ coincidence, oil paints were developed at the time when ____technique o

题型：不详难度：来源：

By _____ coincidence, oil paints were developed at the time when ____technique of perspective was used.
A. a ;  the     B; a    C. ; the   D. a; a

答案

C

解析

试题分析：考查冠词。第一空的固定词组by coincidence偶然；第二空特指透镜，望远镜的技术。故C正确。
点评：本题着重理解定冠词和不定冠词的区别，对于冠词特指和泛指的考察是历年来高考的必考点，平时的学习要多进行积累，仔细分析特指还是泛指。同时，更为重要的是要多去积累习惯表达，特殊表达，这也是近几年高考习惯考的地方。总而言之，多解题、多理解、多积累才是制胜的法宝。