Unit 2 Saving the earth.Topic 3 Section C 课件(共28张PPT)+教案+练习+音视频

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(共29张PPT)
Section C
Words & Phrases
Unit 2 Saving the Earth
Topic 3 What can we do at home to protect the environment
对的英语工作室
YESENGLISH
acid rain
Noun:
rain containing acids that form in the atmosphere when industrial gas emissions (especially sulfur dioxide and nitrogen oxides) combine with water...