B3U1Natureinthebalance1TheAmazonrainforest:anaturaltreasureWelcometothejungleahugeseaofgreenalivewB3U2Naturaldisasters1PupilPupilslivessparedduringFal
课文词汇背诵材料Tag内容描述：
1、B3U1Nature in the balance 1 The Amazon rainforest: a natural treasure Welcome to the jungle, a huge sea of green alive w。
2、B3U2 Natural disasters 1 PupilPupils lives spared during Falmont earthquakes lives spared during Falmont earthquake By R。
3、B3U3 The world online 1 The Internet: a world without frontiers The Internet has the power to connect people across the 。
4、B3U4 Scientists who changed the world 1 Chinese scientist wins the 2015 Nobel Prize By Dina Conner Tu Youyou has become 。
