. Pre-reading Tas 1. Which of the following cities has the largest population? A Shanghai B. New York C. Mexico City 2. How many people will a largest city have in the future? A. 50 million B. 100 million C. one billion Back Text B of Unit Ten Yang XingfangText B of Unit Ten Yang Xiongfang I. Pre-reading Task: 1. Which of the following cities has the largest population? 2. How many people will a largest city have in the future? Back A. Shanghai B. New York C. Mexico City A. 50 million B. 100 million C. one billion