Module 2　Traffic Jam

　　现在交通拥挤是一个全球性的大问题，为了解决这个问题就需要了解交通拥挤是怎么造成的。阅读下文，你同意作者对此问题的分析吗？

　　Nowadays the traffic jam is a big problem in most of our cities.Have you got any ideas about what has brought about this? There are many causes for this problem，but the following may be the most important ones.

　　The first cause is the great increase in the number of private cars.Cars take up more space but they carry fewer people.Some private car drivers，ignoring traffic rules，drive only for their own convenience，blocking the way of other public transportation vehicles.

　　The second cause is the slow and construction and improvement of the roads and streets.With a large population and numbers of cars increasing，some roads still remain unimproved，which will surely lead to problems.

　　The last cause is the inefficient management of the traffic system and the people's lack of awareness of traffic rules.Many pedestrians cross the streets even when the traffic lights are against them，which is an obstacle to the flow of traffic.

　　1．ignore vt.　　　　 忽视

　　2．inefficient adj. 效率低的

　　3．pedestrian n. 行人

　　4．obstacle n. 障碍；障碍物

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

　　1．_____________________________________________________________

2．_____________________________________________________________