Now listen to a part of lecture on the topic you just read about.现在来听一段关于你刚刚读到的话题的演讲 。The passage claims that there will be fewer and fewer birds, but the arguments used to support this claim are unconvincing.文章声称会有越来越少的鸟类，但是用来支撑这一断言的论据没有说服力。First, it's true that urban growth has been bad for some types of birds, but urban development actually provides better and larger habitats for other types,首先，城市扩张确实是对一些种类的鸟有坏处，但是城市发展事实上给别的种类提供了更好更大的栖息处，so much so that city and suburban dwellers often complain about increased birds populations — seagulls at landfills, pigeons on the streets and so on.以至于城市和郊区的居民经常抱怨增加的鸟类数量--垃圾填埋场里的海鸥、街上的鸽子等等。Even birds like hawks and fal
