简答题Which of the following factors will make contribution to the livability of a city? A、Complete public service. B、Weak government. C、Civil war. D、Failed economy.多选题Why didn’t the man go to the concert? 章节测试-Unit 3-4.mp3 A、The band was terrible. B、The weather was cold. C、He was too sick to go. D、He went to the concert before.多选题What are the speakers talking about? 章节测试-Unit 3-5.mp3 A、Have a happy family. B、Planning a reunion party. C、Looking for exciting jobs. D、Meeting former classmates.简答题Why Algeria is wealthy but cannot be considered as a livable city? A、Natural disaster. B、Military rule. C、Statist economic policy. D、Civil war.简答题In which year Shanghai launched the Reform and Opening Policy? A、1970. B、1875. C、1978. D、1878.