【题目】Learning English as a foreign language is very difficult in the of a language environment.
A. term. B. region
C. absence D. pattern
在线课程【答案】C
【解析】考查名词辨析。句意：在缺乏语言环境下，英语作为外语学习是很困难的。A. term学期； B. region区域；地区；C. absence缺乏；D. pattern模式。in the absence of“缺乏；不存在”是固定短语。故选C。