Beijinghassetthecity’spopulation
来源:国语帮 1.95W
问题详情:
Beijing has set the city’s population ________ at 23 million by 2020 due to water scarcity and big city diseases such as traffic jam.
A. budget B. ceiling C. explosion D. standard
【回答】
B
知识点:非谓语动词
题型:选择题