题目

城市环境问题产生的主要原因是                                            ①经济发展水平低    ②城市交通发展，汽车多③城市人口迅猛增长  ④城市规模无限制扩大A．①②               B．①③           C．①④           D．③④ 答案：DThe Spring Festival is an important festival for Chinese people.All family members get together in the festival and all people go home.So airports, railway stations and longdistance bus stations are crowded during the holidays.It's said that the Spring Festival began in the Shang Dynasty (1600 BC－1100 BC), so it's really an ancient tradition.The Spring Festival starts every year in the early days of the 12th lunar (农历的) month and will last till the middle of the 1st lunar month of the next year.Of them, the most important days are the Spring Festival Eve and the first three days.The Chinese people have seven days off for the Chinese Lunar New Year.Information CardHow many kinds of transportation (交通方式) we can use during the festival【1】.When the Spring Festival began in the historyIn 【2】.When the festival starts every yearIn the early days of the 【3】.The most important days of the festivalThe Spring Festival Eve and 【4】.How many days off for the holiday【5】.