2018-2019学年度人教版必修二Unit 4 Wildlife Protection- Using language课件 (共43张PPT)
2018-2019学年度人教版必修二Unit 4 Wildlife Protection- Using language课件 (共43张PPT)第3页

Look at these pictures and answer questions:

They ___________________a long time ago.

disappeared

/died out

Why, how and when

Q1:What are they?

Q2:What happened to them?

They are _______

dinosaurs