外研版（2019）选择性必修 第一册Unit 6 Nurturing nature The Sky Railway课件（共26张PPT)

(共26张PPT) The Sky Railway the The Sky Railway Learning aims: 1.To understand the text. 2. To know the challenges met by the railway workers. 3. To show respect for the efforts of railway workers , and to be proud of our country and our people. Read and think Choose the author's purpose in writing th...