1、优质文档优质文档教案 1 Unit 4 Global warmingWarming up they cannot be renew ed.Step 2 Pre-listeningRead Exercise 1 together:1. Read the statements below and tick the ones you agree with.2. Listen to the tape and answer and decide which statement Professor Chen doesNOT agree with.1. Well have to stop using fos
2、sil fuels.2. About 90% of the worlds energy comes from fossil fuels.3. We can replace fossil fuels with renewable sources of energy.4. Nuclear power is a good sou rce of energy.5. In the future, well need ne w technologies to replace fossil fuels.6. Its the developed countries who are to blame for p
3、roducing most of the carb on dioxide.3. Listen again and tick the phrases that Professor Chen uses to agree or disagree with Li Bin.Slide showExa ctly. Im afraid I disagree with you.Thats true. Im afraid not.Thats right. I dont think so.Thats correct. No way.I agree. I dont agree.4. Listen fo r the
4、third time and fill in the blanks.1 Our modern _ societies depend on the energy we get from_.2 Its a very _ and cheap form of energy.3 Cant we just _ fossil fuels with _ sources of energy like sun or wind power?4 However, whatever we do, we have to do it as a _.5 The _ countries are really the ones to _.Keys:1industr ial; fossil fuels 2. concentrated 3。replace；renewable 4。global community 来源:学+科+ 网优质文档优质文档5developed； blameStep 3 Homework1. Review the new words and expressions you learned in this class.2. Preview Reading.
