课件14张PPT。M 7 Unit oneLiving with technology Step 1 Lead-inSay something about the advantages of mobile phones.Living with technology Advantages of mobile phonesWatch movies
Listen to music
Read newspapers
Send e-mails
Send messages
Make calls
Are mobile phones safe?No! Unsafe!Are mobile phones safe?(Side effects)
Part 1Different opinions
Part 2
Prediction
Step 2 Fast-reading (self-study)part 1 side effects (1-5) Part 2 different opinions (6-10)Step 3 Detailed-reading (group-study)Answerspatients (2)healthy people
(3)a half times more likely to have a brain tumour
(4)200 mice
(5)more than twice /cancer rateAnswerssafe
(6)Humans and mice are different ---
(7)huge ; profit /enormous
(8)---no scientific reason---
unsafe
(9) radiation affect human genes
(10)---not good for children. brain cancerproduce radiationaffect human genestwice the cancer rate Mobile phone (Technology) Prosno enough evidenceclaim safetyno scientific reasonno good for childrenConsAnother modern technology nuclear energyStep 4 Project (group work) Make a list of pros and cons of nuclear energy.Step 5 HomeworkRead the text more to review what we have learned.Thanks !
------Try our best to save the world!