What are the causes for the traffic jam according to the passage?

　　1．

　　2．

　　3．

　　【答案】　1.The great increase in the number of private cars.

　　2．The slow and inefficient construction and

　　improvement of the roads and streets.

　　3．The insufficient management of the traffic system and the people's lack of awareness of traffic rules.

Section Ⅰ　Introduction & Reading and Vocabulary-Preparing

　　根据提示写出下列单词

　　1． adj. 郊区的；市郊的

　　2． vt. 展示；陈列

　　3． n. 执照；许可证

　　4． vt. 限制

　　5． n. 目的地；终点

　　6． adj. 给人印象深刻的

　　7． n. 路线

　　8． vt. 提供

　　9． adj. 方便的

10． n. 单程票