unit 5 global warming E1Versión en línea review por huynhthingocthao2309@gmail.com 1 What is the main topic of their talk? a today's lesson b global warming 2 How do people produce gases in the air? a By burning fuels b By recycling waste 3 What do greenhouse gases do? a They trap the sun’s heat b They release the heat 4 What are the consequences of global warming? a Build more high-tech facilities b Harm to the environment and people
Crear