高二英语师大版选修七 Unit 20 New Frontiers(3)-2课件.pptx

;;;Guessing the meaning of “frontier”;Guessing the meaning of “frontier”;Warm-up;Match Classify;This is a .;This is a .;This is an .;;This is a .;Match Classify;;Which areas of science do you think will most benefit our life? Why? ;Match Classify;Match Classify;Pre-listening;Pre-listening;Pre-listening;Pre-listening;Pre-listening;Listening;Speaking;Speaking;Reviewing;Reviewing;Time Travelling;Time Travelling;Time Travelling;Time Travelling ;;;;;;;;Critical Thinking;;;