1 用英语表叙型 问题1In the right figure(图形),suppose that an arch (拱形门)is sharped likea parabole (抛物线).It is 40 feet wide at thebase and 25 feet high. How.wide is the arch16 feet above the ground? Answer:__fe...1 用英语表叙型 问题1In the right figure(图形),suppose that an arch (拱形门)is sharped likea parabole (抛物线).It is 40 feet wide at thebase and 25 feet high. How.wide is the arch16 feet above the ground? Answer:__feet. 译文:如图1中,假定一40英尺,高25英尺,试问:离地面16英尺处拱门有多宽?(上海市闵行区1999年重点高中招生试题第一,10题)展开更多
文摘1 用英语表叙型 问题1In the right figure(图形),suppose that an arch (拱形门)is sharped likea parabole (抛物线).It is 40 feet wide at thebase and 25 feet high. How.wide is the arch16 feet above the ground? Answer:__feet. 译文:如图1中,假定一40英尺,高25英尺,试问:离地面16英尺处拱门有多宽?(上海市闵行区1999年重点高中招生试题第一,10题)