2016年6月起大学英语四六级考试听力部分有重大调整。陪伴了中国大学生十几年的短对话和短文听写将退出历史舞台，取而代之的是短片新闻听力和学术讲座。接下来，同学们可能需要花费很多时间来适应新的听力考试模式，四六级考试网给大家提供英语四级听力在线练习内容，听力的复习没有捷径，只能多听多练了。

　　点击下载听力素材练习.mp3

　　听力习题：

　　19.

　　A. She is environmentaly-concerned.

　　B. She wants to save money.

　　C. Her car is being repaired in the shop.

　　D. She wants to see the man on the bus.

　　20.

　　A. Diana believes the air is not likely to be cleaner.

　　B. Diana thinks the diesel（柴油机） bus is free of pollution now.

　　C. Diana has taken a class on environmental engineering.

　　D. Diana sounds pessimistic about the future of the insulator（绝热器）.

　　21.

　　A. It makes the fuel burn more efficiently.

　　B. It helps release more unburned fuel.

　　C. It is easy to install.

　　D. It is very cheap.

　　22.

　　A. Lowering transportation fees.

　　B. The environmental engineering class.

　　C. The man's car in the shop.

　　D. Better environment.

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