【题目】To discuss “population as a global __________ ”, we are supposed to know about the history of population
trends.
A. issue B. routine
C. goal D. course
在线课程【答案】A
【解析】考查名词辨析。A. issue问题；B. routine日常工作；C. goal目标；D. course课程。句意：为了讨论“作为全球问题的人口问题”，我们应该了解人口的历史。故选A。