人教版（2019）必修 第一册Unit 4 Natural disasters Reading and thinking 课文详解课件(共21张PPT)

(共21张PPT) Unit 4 Natural Disasters Reading and Thinking learning aims: 1)To translate passage 1 freely and fluently 2)To analyze long & complex sentences 3) To build up vocabularies and remember them Self-learning guidance (4’) 1.Read Pare3-4 and translate them by yourselves clearly and fluently. 2...