【NPR边听边练】致力于提供新鲜有趣、饶有意味的时讯资料，致力于通过精听的方式促进听力提高，致力于不断开阔眼界和深入了解美国观点。

精听建议：
先完整地把一条新闻听一到三遍，争取掌握大意。然后，一句一句精听，力争每句话都听明白。遇到实在不懂的地方，再听写。

下面的文本材料中空缺部分里面要填的词都很简单，不过是一些值得注意的连读或者典型的美式发音哦，有些语速比较快。试试看，你能不能全部写对？

（参考文本，欢迎指出错误^^）
It is autumn and in much of the country leaves are changing color and falling. But if you think that’s a peaceful event, you are not thinking like a tree. In recent years the research ___(1)___ the colorful autumn leaves that ___(2)___ some trees make life for other trees miserable. That’s because these leaves are ___(3)___ chemicals that can be deadly to other plants. To find out more, NPR’s John Neilson ___(4)___ botanist on Virginia’s Skyline Drive for ___(5)___ the woods.