Unit 2 Reading 1课件 牛津版必修5
Unit 2 Reading 1课件 牛津版必修5第5页

 The prefix ‘eco- ’ comes from Greek and means ‘_______’. It is used in many words to talk about the environment, such as ‘_______________’ (生态环境), ‘__________’(生态型), ‘_______________’(生态发展), etc.

earth

ecoenvironment

ecotype

ecodevelopment