Unit 5 Lesson 30Science Affects Us 课件 冀教版英语九年级全册（21张PPT含音频）.pptx
(共21张PPT)
Unit 5 Lesson 30
computers
smart phones
导入新知
Have you ever done any interesting experiments
Can you describe one of them
fill...with cover...with turn ...upside down
take off pour out stay push ...onto
Review
Have you ever done any interesting experiments
Can you de...