Unit2 Working the land-A pioneer for all people课件 人教版必修4
Unit2 Working the land-A pioneer for all people课件 人教版必修4第3页

HINTS

1. He is a PIONEER. 2. He was born in 1930. 3. He likes playing mah-jong, swimming,reading,listening to violin music. 4. He is a famous scientist, but thinks of himself as a farmer.