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大数(thousand/million/billion)的表达 — 英语选择题

沪教版·英语(初中) Unit 2 Amazing numbers AI 三重审校通过

题目
The population of a country is about one billion two hundred million people. Which of the following is the correct way to express this number in figures? A. 1,200,000,000 B. 102,000,000 C. 1,020,000,000 D. 12,000,000,000