人教版 高中英语 选修6 Unit 4 Global warmingReading: The earth is becoming warmerBut Does it Matter?Teaching aims:1)Learn the causes of global warming and different attitudes.2) Master the reading skills.3) Save energy and prevent the global warming.Important point:understand the causes and effects of globalwarming Difficult point:how to write a meaningful passage about global warmingTeaching methods:individual, pair work, group discussionTeaching aidsa computer, some sl
