>>点击此处下载北京小学三年级英语课本17听力mp3

以下是听力相关内容：请对照以下内容认真听讲 00:07.03Spring is green.Sum-mer is bright.
00:13.61Au-tumn is gold-en.Win-ter is white.
00:19.91Year in year out,Year in year out,
00:26.49we work and fight for a bet-ter world with sun-light.
00:36.88Spring is green.Sum-mer is bright.
00:52.87Au-tumn is gold-en.Win-ter is white.
00:59.17Year in year out,Year in year out,
01:05.78we work and fight for a bet-ter world with sun-light.
01:14.08Spring is green.Sum-mer is bright.
01:20.38Au-tumn is gold-en.Win-ter is white.
01:26.07Year in year out,Year in year out,
01:32.76we work and fight for a bet-ter world with sun-light.
01:41.25we work and fight for a bet-ter world with sun-light.
01:42.92we work and fight for a bet-ter world with sun-light.
01:46.50Spring is green.Sum-mer is bright.
01:59.98Au-tumn is gold-en.Win-ter is white.
02:08.16Year in year out,Year in year out,
02:16.05we work and fight for a bet-ter world with sun-light.
02:23.65Spring is green.Sum-mer is bright.
02:27.25Au-tumn is gold-en.Win-ter is white.
02:32.35Year in year out,Year in year out,
02:40.84we work and fight for a ber-ter world with sun-light