2019-2020学年人教版高中英语必修1创新课件:UNIT 4 Section C Discovering Useful Structures & Listening
2019-2020学年人教版高中英语必修1创新课件:UNIT 4 Section C Discovering Useful Structures & Listening第1页

Ⅰ

Ⅰ.知识体系图解

volcano

erupt

supply

hurricane

power 

tap 

whistle 

emergency

calm 

aid